Niels Viggo Bentzon was a Danish

Denmark

Denmark is a Scandinavian country in Northern Europe. The countries of Denmark and Greenland, as well as the Faroe Islands, constitute the Kingdom of Denmark . It is the southernmost of the Nordic countries, southwest of Sweden and south of Norway, and bordered to the south by Germany. Denmark...

 composer

Composer

A composer is a person who creates music, either by musical notation or oral tradition, for interpretation and performance, or through direct manipulation of sonic material through electronic media...

 and pianist

Piano

The piano is a musical instrument played by means of a keyboard. It is one of the most popular instruments in the world. Widely used in classical and jazz music for solo performances, ensemble use, chamber music and accompaniment, the piano is also very popular as an aid to composing and rehearsal...

.

Bentzon was descended from Johan Ernst Hartmann

Johan Ernst Hartmann

Johan Ernst Hartmann was a Danish organist and composer.-References:*This article was initially translated from the Danish Wikipedia....

 and the great-grandson of J.P.E. Hartmann

Johan Peter Emilius Hartmann

Johan Peter Emilius Hartmann was a Danish composer.-Biography:Hartmann came from a musical family of German descent. Although he received his music lessons initially from his father, he taught himself as much as possible...

. From 1938 to 1942, he studied at the Royal Danish Academy of Music in Copenhagen under Knud Jeppesen

Knud Jeppesen

Knud Jeppesen was a Danish musicologist, composer, and writer on the history of music....

 and Christian Christiansen

Christian Christiansen (musician)

Christian Christiansen was Danish pianist and organist born in 1884.He was known as a strong supporter of Carl Nielsen's music and used to perform it while touring in Europe....

. He then taught at The Royal Academy of Music in Aarhus (1945–1950) and at The Royal Danish Academy (1950–1988). His compositions extends to 664 opus numbers. These include 24 symphonies, operas, ballets, concertos, string quartets, and many piano works.

List of Works (by opus number)

• op. 1 – Fantasy (Klaviermusik no. 1); for piano
• op. 2 – Klaviermusik no. 2
• op. 3 – Small Pieces (7); for piano
• op. 4 – Violin Sonata no. 1
• op. 5 – Variations (8) on a Folk Dance; for flute solo
• op. 6 – Trio no. 1; for violin, viola, and cello
• op. 7a – Klavermusik no. 4; for piano
• op. 7b – Klavermusik no. 5; for piano
• op. 8 – Klavermusik no. 6; for piano
• (op. 9) – Duo; for violin and cello (incomplete)
• op. 9 – String Quartet no. 1
• op. 10 – Toccata; for piano
• op. 11 – Sonatine; for piano
• op. 12 – Quintet; for flute, oboe, clarinet, bassoon, and piano
• op. 13 – Prelude, Intermezzo, and Fugue; for organ
• op. 14 – Overture; for chamber orchestra
• op. 15 – Rhapsody; for piano
• op. 16 –
• op. 17 – Variations (6) on a Theme; for flute and piano
• op. 18 – Suite and Variations; violin solo
• op. 19 – Divertimento; for strings
• op. 20 – Trio no. 2; for flute, oboe, and piano
• op. 21 – Variations; for wind quintet
• op. 22 – Symphony No. 1
• op. 23 – Bagatelles (4); for piano
• op. 24 – Violin Sonata no. 2
• op. 25 – Trio; violin, cello, and piano
• op. 26 – Quartet; for flute, oboe, horn, and bassoon
• op. 27 – Orchestra Sonata; for flute and strings
• op. 28 – Capriccietta; for violin and piano
• op. 29 – Wind Quintet no. 3
• op. 30 – Violin Sonata no. 3
• op. 31 – Passacaglia; for piano
• op. 32 – Bagatelle; for string quartet
• op. 33 – Music for seven instruments; instrumentation unknown
• (op. 33) – Quintet; for violin, clarinet, cello, piano, and guitar
• op. 34 – Study; for double bass solo
• op. 35 – √3; for violin and piano
• op. 36 – Symphony No. 2
• op. 37 – Prelude and Fugue; for piano
• op. 38 – Partita; for piano
• op. 39 – String Quartet no. 2
• op. 40 – Concert Etude; for piano (originally Piano Sonata no. 1)
• op. 41 – Pieces (2); for oboe and piano
• op. 42 – Piano Sonata no. 2
• op. 43 – Cello Sonata no. 1
• op. 44 – Piano Sonata no. 3
• op. 45 – Dance Pieces (3); for piano
• op. 46 – Symphony No. 3
• op. 47 – Horn Sonata
• op. 48 – Concert Etudes (3); for piano
• op. 49 – Piano Concerto no. 1
• op. 50 – Inventions (5); for piano
• op. 51 – Sonata no. 1; for two pianos
• op. 52 – Chamber Concert; for 11 instruments
• op. 53 – Sonatina; for violin solo
• op. 54 – Mosaique Musicale; for flute, violin, cello, and piano
• op. 55 – Symphony No. 4 ‘Metamorphosis’
• op. 56 – Prelude and Rondo; for chamber orchestra
• op. 57 – Piano Sonata no. 4
• op. 58 – Metaphor Ballet-Suite; for orchestra
• op. 59 – Wind Quintet no. 4
• op. 60 – Lille Suite; for strings
• op. 61 – Symphony No. 5 ‘Ellipse’
• op. 62 – Sonatine; for piano
• op. 63 – Clarinet Sonata
• op. 64 – Intrada; for orchestra
• op. 65 – Woodcuts (11); for piano
• op. 66 – Symphony No. 6
• op. 67 – Hornbækiana Suite; for violin and piano
• op. 68 – Nocturnes (2); for piano
• op. 69 – Piccolo-Concerto; for piano and strings
• op. 70 – Violin Concerto no. 1
• op. 71 – English Horn Sonata
• op. 72 – String Quartet no. 3
• op. 73 – Trumpet Sonata
• op. 74 – Oboe Concerto
• op. 75 – Variazioni Breve; for orchestra
• op. 76 – Ballads (3); for mezzo-soprano and piano
• op. 77 – Piano Sonata no. 5
• op. 78 – Prologue, Rondo, and Epilogue; for 4H piano
• op. 79 – Songs (2); for soprano and piano
• op. 80 – Woodwind Quintet
• op. 81 – Prologue, Dialogue, and Epilogue; for flute and piano
• op. 82 – Trio; for trumpet, horn, and trombone
• op. 83 – Symphony no. 7
• op. 84 – Duo; for violin and cello
• op. 85 – Capriccio; for piano
• op. 86 – Kaleidoscope; for piano
• op. 87 – Piano Concerto no. 3
• op. 88 – Elegy; for clarinet, bassoon, violin, viola, cello, and double-bass
• op. 89 – Kurtisanen, ballet
• op. 90 – Piano Sonata no. 6
• op. 91 – Quartet; for flute, oboe, bassoon, and piano
• op. 92 – Symphonic Variations; for orchestra
• op. 93 – Variations; for flute solo
• op. 94 – Triple Concerto; for oboe, clarinet, bassoon, and strings
• op. 95 – String Quartet no. 4
• op. 96 – Piano Concerto no. 4
• op. 97 – Pentachord; for piano
• op. 98 – Theme and Variation; for English horn, violin, and cello
• op. 99a – Piece; 12 pianos
• op. 99b – Fantasy and Rondo; for flute and piano
• op. 100 – Sinfonia Concertante; for violin, viola, cello, clarinet and ensemble
• op. 101 – Symphonic Suite; for orchestra
• op. 102 – Suite; for piano
• op. 103 – Variations (14); for organ
• op. 104 – Simple Variations (13); for piano
• op. 105 – String Quartet no. 5
• op. 106 – Cello Concerto no. 1
• op. 107 – Pastorale; for orchestra
• op. 108 – Concertino ‘Hommage to Mozart’; for orchestra
• op. 109 – Pezzi Sinfonici; for orchestra
• op. 110 – Sonata; for cello solo
• op. 111 – Pieces (9); for violin and viola
• op. 112 – Preludes (12); for piano
• op. 113 – Symphony No. 8 'Sinfonia Discrezione'
• op. 114 – Concerto per Archi; for strings
• op. 115 – Concerto; for 6 percussionists
• op. 116 – Woodwind Quintet no. 5
• op. 117 – Sonata; for 4H piano
• op. 118 – Trio; for violin, cello, and piano
• op. 119 – Symphonic Fantasy; for 2 pianos and orchestra
• op. 120 – Elementi Aperti, for mezzo soprano and orchestra
• op. 121 – Piano Sonata no. 7
• op. 122 – Violin Sonata no. 4
• op. 123 – Mutations; for orchestra
• op. 124 – String Quartet no. 6
• op. 125 – Mobiles (5); for orchestra
• op. 126 – Symphony No. 9
• op. 127 – 2 Monkton-Blues, for orchestra
• op. 128 – Macbeth; dramatic work
• op. 129 – Propostae Novae; for 2 pianos
• op. 130 – Quintet; for flute, violin, viola, cello, and piano
• op. 131 – Rhapsody; for piano and orchestra
• op. 132 – Torquilla; oratorio for narrator, SATB soloists, chorus, and orchestra
• op. 133 – Ostinato; for orchestra
• op. 134 – Trio; for clarinet, cello, and piano
• op. 135 – Alleluia; for soprano and organ
• op. 136 – Violin Concerto no. 2
• op. 137 – Overture; for small orchestra
• op. 138 – Bonjour Max Ernest; cantata for chorus and small orchestra
• op. 139 – Sinfonia da Camera; for chamber orchestra
• op. 140 – Epitaph; for piano
• op. 141 – Døren; dramatic work
• op. 142 – Papuanerdans; for two pianos
• op. 143 – Sonatine; for two pianos
• op. 144 – Faust III; opera
• op. 145 – Koralforspil (3); for organ
• op. 146 – Accordian Concerto
• op. 147 – Flute Concerto no. 1
• op. 148 – Concerto for Orchestra
• op. 149 – Piano Concerto no. 5
• op. 150 – Symphony No. 10 ‘Den Hymniske’
• op. 151 – Ballet-Suite ‘Hommage to Jean-Baptiste Lully; for piano
• op. 152 – Legend; for TB chorus and small ensemble
• op. 153 – Meet the Danes; for orchestra
• op. 154 – Suite for Foreigners; for orchestra
• op. 155 – Overture for the Joyful Ladies of Windsor; for orchestra
• op. 156 – An Arab in Cologne; for narrator and small ensemble
• op. 157 – The Tempered Piano vol. 1
• op. 158 – Symphony No. 11 ‘Salzburg’
• op. 159 – Two-part Inventions (15); for piano
• op. 160 – Three-part Inventions (15); for piano
• op. 161 – Puppets menuet and other Miniatures for Children (9); for piano
• op. 162 – Vignettes (2); for piano
• op. 163 – Spanish Portraits (3); for piano
• op. 164 – In the Zoo; for accordian
• op. 165 – String Quartet no. 7
• op. 166 – Symphony No. 12 ‘Tunis’
• op. 167 – Copenhagen Concert no. 1; for strings
• op. 168 – Copenhagen Concert no. 2; for strings
• op. 169 – Copenhagen Concert no. 3; for strings
• op. 170
• op. 171
• op. 172
• op. 173 – Fredericksburg Suite no. 1; for piano
• op. 174 – Fredericksburg Suite no. 2; for piano
• op. 175 – Small Preludes (10); for piano
• op. 176 – Concerto; for violin, piano, and percussion
• op. 177 – Jenny Von Westphalen; ballet
• op. 178 – Sinfonia Concertante no. 1; for 6 accordians and orchestra
• op. 179 – Stream Music no. 3; for alto sax, trumpet, contrabass, piano, and perc.
• (op. 179) – Montmartre Concert; for piano (graphic notation)
• op. 180 – Sonatina; for recorder and harpsichord
• op. 181 – Symphony No. 13 ‘Military’
• op. 182 – Henry Miller Suite; for cello
• op. 183 – Violin Sonata no. 5
• (op. 183) – Symphony No. 14 (incomplete)
• op. 184 – Benumbing Experience; for mixed ensemble
• op. 185 – Chemical Madrigals; for mixed chorus a capella
• op. 186 – Spawn, Mycological Suite; for organ
• op. 187 – Iron Music; for prepared piano, untuned piano, harpsichord
• op. 188 – Trivial Synonyms; for piano and actor (graphic notation)
• op. 189 – Clothing Music; for keyboards and requisites (graphic notation)
• op. 190 – Treasured Monuments; for two pianos w/ preparation, harpsichord, etc.
• op. 191 – Glazier’s Model; for piano (graphic notation)
• op. 192 – Variable Music for Danish State Radio; for big band and narrator
• op. 193 – Piano Sonata no. 8 ‘Faust’
• op. 194 – Piano Sonata no. 9
• op. 195 – Piano Concerto no. 6
• op. 196 – Quintet; for string quartet and piano
• op. 197 – Bijouteri; for vocals, piano, and instruments (graphic notation)
• op. 198 – European Vitality; for vocals, piano, and instruments (graphic notation)
• op. 199 – Muhammedansk Document; for chorus and actors (graphic notation)
• op. 200 – Poetic Sonatine; for oboe solo
• op. 201 – Mali; for soprano, two percussionists, and piano
• op. 202 – Ecossaises, for piano
• op. 203 – Trio; violin, viola, and cello
• op. 204 – Piano Sonata no. 10 (incomplete)
• op. 205 – Intelligence and Landscape; for piano (graphic notation)
• op. 206
• op. 207 – Ballet ‘800 Years’; for piano
• op. 208
• op. 209 – Hazardous Suite; for piano
• op. 210 – Ballade; for piano
• op. 211 – Fantasy-Impromptu; for G flute
• op. 212 – Noble and Sentimental Waltzes (6); for piano
• op. 213 – Mazurkas (5); for piano
• op. 214 – Nocturnes in Colors (8); for piano
• op. 215 – Barcarole; for piano
• op. 216 – Etudes (7); for piano
• op. 217 – Camp Duo; for cello and flute
• op. 218 – Scherzo, for piano
• op. 219 – Rondo Amoroso, for piano
• op. 220 – Manfred Overture; for orchestra
• op. 221 – Columbus eier Salt and Pepper; for accordian
• op. 222 – European Form and Coda; for piano
• op. 223 – Cello Sonata no. 2
• op. 224 – Heroic Piece; for three pianos
• op. 225 – Concerto; for recorder and other instruments
• op. 226 – Concerto; for viola da gamba and other instruments
• op. 227 – Explosions; for two pianos
• op. 228 – String Quartet no. 8 ‘Dartmouth’
• op. 229 – Symphonic Paraphrase, for orchestra
• op. 230 – Paraphrase on Aarhus Tappenstreg, for piano and orchestra
• op. 231 – Mini-Symphony; for chamber orchestra
• op. 232 – String Quartet no. 9
• op. 233 – Toccata, Aria, and Fugue, for organ
• op. 234 – Aria with Variations, for spinet
• op. 235 – Maximillian 1 Suite, for violin and piano
• op. 236 – Canon Photographs Duet, for viola and piano
• op. 237 – Duet, for viola and organ
• op. 238 – Pan on Defensive, An Open Air Sketch, for organ
• op. 239 – ‘In the Forest’ Suite, for horn solo
• op. 240 – Shelley Songs (18), for voice and piano
• op. 241 – Paganini Variations, for piano
• op. 242 – Mozart Variations, for piano
• op. 243 – Piano Concerto no. 7
• op. 244 – Eastern Gasworks no. 2; for orchestra
• op. 245 – Bonner Sonata, for piano
• op. 246 – Vibrations, for prepared piano (graphic notation)
• op. 247 – Chorus Daniensis no. 2; for piano and orchestra
• op. 248 – Hofmann Sonata; for piano
• op. 249 – Chorus Daniensis, for ensemble
• op. 250 – Vibrations (2nd Version), for prepared piano
• op. 251
• (op. 251) – Psycho-biological Music; for electronics
• op. 252 – Songs without Words (4), for piano
• op. 253 – Italian Comedies (3), for piano
• op. 254 – Serapion Brothers, for piano
• op. 255 – Mini Cantata, for children’s chorus and percussion (graphic notation)
• op. 256 – Peep Show, for piano
• op. 257 – Sonata for 12 instruments; for large ensemble
• op. 258 – The Plant Garden, opera (incomplete)
• op. 259 – Duarder Suite, for accordion and percussion
• op. 260 – Trio, for clarinet, cello, and piano
• op. 261 – Formula; for orchestra
• op. 262 – Window Music, for chorus and orchestra
• op. 263 – Napoleon Sonata, piano
• op. 264 – Rossini Sonata, piano
• op. 265 – Devrient Sonata, for piano
• op. 266 – Extracts; for orchestra (graphic notation)
• (op. 266) – Sonatine in B, for 4H cembalo
• op. 267 – Busonism Audiovisual Concert Piece; for piano and orchestra
• op. 268 – Cello Sonata no. 3
• op. 269 – Clarinet Concerto no. 1
• op. 270 – Overture and Epilogue for Jenny von Westphalen, for orchestra
• op. 271 – Julienne, for cello and piano (graphic notation)
• op. 272 – Epitaph for Igor Stravinsky; for orchestra
• op. 273 – Pavane, for piano
• op. 274 – Grosses Trio, for flute, cello, and piano
• op. 275 – Turkey, Cartography Sonata, for piano
• (op. 275) – Violin Concerto no. 3 ‘Paganini Concerto’ (incomplete)
• op. 276 – Choral Songs from Authentic Texts (2), for chorus a capella
• op. 277 – Trombone Sonata
• op. 278 – Sextet; for piano and woodwind quintet
• op. 279 – Pollution Ballad, for mixed chorus
• op. 280 – Violin sonata no. 6
• op. 281 – Hommage to Picasso, for piano
• op. 282 – Hommage to Cesar Franck, for flute and piano
• op. 283 – La Menagerie Roullier, Cantata, for narrator and instruments
• op. 284 – Text Sonata, for piano
• op. 285 – Zeit 17, Interlude, Zeit 18, for voice and string quartet
• op. 286 – Suite Royal; for wind orchestra
• op. 287 - Emil Kraepelin Study, for violin solo
• op. 288 – Lyrical Songs (2), for voice and piano
• op. 289 – Cello Sonata no. 4
• op. 290 – Statics, for cello solo
• op. 291 – Organon Phlenomegno Germanico, for piano
• op. 292 – Melody and Rhythm, for accordian
• op. 293 – Purist Variations (9), for piano
• op. 294 – Saltholm, for orchestra
• op. 295 – Otto von Guericke Suite, for piano
• op. 296 – Abstracts, for piano
• op. 297 – Substance, for piano
• op. 298 – Improvement and Completion in Concert, for piano
• op. 299
• op. 300
• op. 301 – Trio, for flute, cembalo, and piano
• op. 302 – Galilæi, for chamber ensemble
• op. 303 – Viola Concerto
• op. 304
• op. 305 – After-Dinner Concert, for piano
• op. 306 – Suite as Far as Jazz is Concerned, for big band
• op. 307
• op. 308
• op. 309
• op. 310 – Charming Sound, for chamber ensemble
• op. 311 – Cello Concerto no. 2
• op. 312 – ‘From My London Diary’, for piano
• op. 313 – Document 5 no. 1 for orchestra (graphic notation)
• op. 314 – Flute Sonata?
• op. 315 – Document 5 no. 2 for orchestra (graphic notation)
• op. 316 – Bassoon Sonata
• op. 317 – Sydsjællandske Sonata, for piano
• op. 318 – Suite, for cello and piano
• op. 319 – Violin Sonata no. 7
• op. 320 – Alto Sax Sonata
• op. 321 – 2nd Collection of Preludes (10), for piano
• op. 322 – Suite, for violin and piano
• op. 323 – Micro-Marco, for piano
• op. 324 – Study on the G-String of Paganini’s Violin, for violin solo
• op. 325 – Solo Element, for piano
• op. 326 – Piano Sonata no. 11 ‘The Italian’
• op. 327 – Duo Concertante, for violin and piano
• op. 328 – The Automaton; opera
• op. 329 – Wittgenstein Piece, for violin and piano
• op. 330 – 3 Sonatas and Partitas; violin solo
• op. 331 – Dar-es-Sallam, for violin and piano
• op. 332 – Sketches (6), for cello solo
• op. 333 – Observations. Psycho-biological Suite, for flute, oboe and piano
• op. 334 – Bones and Flesh Concerto, for two pianos
• op. 335 – Sounds and Silhouettes, for piano, double-bass (graphic notation)
• op. 336 – Piano Sonata no. 12
• op. 337 – The Hoopoe; for chamber orchestra
• op. 338 – String Quartet no. 10
• op. 339 – Pupitre 14; for chamber orchestra
• op. 340 – Sonare Quartet, for recorder, oboe, viola da gamba, and spinet
• op. 341 – Pianists and Protestors, for piano (incomplete)
• op. 342 – Joseph von Eichendorff Cycle, for baritone and piano (incomplete)
• op. 343 – Duettino, for flute and English horn
• op. 344 – Happy Birthday, for piano
• op. 345 – Flute Quartet no. 1
• op. 346 – Four Activities; for SSA chorus
• op. 347 – Cathegoriæ sacrale no. 1, for chorus
• op. 348 – Piano Sonata no. 13
• (op. 348) – Bird Song Suite, for piano (graphic notation)
• op. 349 – Popular Organization no. 1, for organ
• op. 350 – Popular Organization no. 2, for organ
• op. 351 – Popular Organization no. 3, for organ
• op. 352 – Popular Organization no. 4, for organ
• op. 353 – Dialect, for violin and accordion (graphic notation)
• op. 354 – Variations on ‘The Volga Boatman’; for cello
• op. 355 – The Bank Manager, opera
• op. 356 – Chamber Sonata no. 1, for two flutes and organ
• op. 357 – Chronicle on Rene Descartes; for orchestra
• op. 358 – Sonata no. 1, for cello solo
• op. 359 – Sonata no. 2, for cello solo
• op. 360 – Sonata no. 3, for cello solo
• op. 361 – Sonata no. 4, for cello solo (incomplete)
• op. 362 – Sonata no. 5, for cello solo (incomplete)
• op. 363 – Sonata no. 6, for cello solo (incomplete)
• op. 364 – Sonata Populare; for organ and chamber orchestra
• op. 365 – Dialogue til en horst; for ???
• op. 366 – Danmark’s Cantata; for SATB soloists, choir, and orchestra
• op. 367 – Stills; for piano and orchestra (incomplete)
• op. 368 – Flute Quartet no. 2
• op. 369 – Chropiamonos, for mouth organ and piano
• op. 370 – Crete, Ancient Variations, for piano
• op. 371 – Jazz at a Conservatory; for piano
• op. 372 – Chamber Sonata no. 2, for two flutes and organ
• op. 373 – Tuba Concerto
• op. 374 – Violin Concerto no. 4
• op. 375 – Concerto for Three Types of Clarinet (B, Eb, and Bass)
• op. 376 – Trio, for violin, cello, and piano
• op. 377 – Duet, for flute and bassoon
• op. 378 – Sinfonietta; for brass and percussion
• op. 379 – The Tempered Piano vol. 2
• op. 380 – Quartet, for two flutes, bassoon, and cembalo
• op. 381 – Hommage to Hegel, for flute solo
• op. 382 – Confirmation Music, for organ
• op. 383 – Leipzigertage; for piano and orchestra
• op. 384 – Overture, for piano
• op. 385 – Flute Quartet no. 3
• op. 386 – Concerto; for flute and strings
• op. 387 – Military Marches (3), for wind orchestra
• op. 388 – Flute Concerto no. 2
• op. 389 – Bitter Skiffle, for flute, bass flute, and piano
• op. 390 – Sinfonia Concertante no. 2; for wind quintet and orchestra
• op. 391 – Symmetrical Sonata, for recorder solo
• op. 392 – String Quartet no. 11
• op. 393 – Tuba Sonata
• op. 394 – Hula-hula Compositions (5), for brass and percussion
• op. 395 – Hula-hula Compositions (2), for winds and percussion
• op. 396 – Capriccio; for tuba and orchestra
• op. 397 – Prelude, for two pianos
• op. 398 – Study, for seven electric pianos
• op. 399 – Chimes All Over the World, for electronic tape
• op. 400 – The Tempered Piano vol. 3
• op. 401 – Toleranza; for small brass ensemble
• op. 402 – Sinfonia; for chamber orchestra
• op. 403 – Hommage to Joseph Beuys (7), various instruments and piano
• op. 404 – Duell, ballet
• op. 405 – Quintet; for 4 flutes and piano ‘Spaghetti’
• op. 406 – Sonata, for flute and organ
• op. 407 – Nocturne, for violin, cello, accordion, 4H piano, and percussion
• op. 408 – Sonata no. 2, for flute and organ
• op. 409 – The Tempered Piano vol. 4
• op. 410 – Vasco de Gama, for piano
• op. 411 – Punktum Finale; for orchestra
• op. 412 – Diatonic Sonata, for tuba and wind quintet
• op. 413 – Something for a Workshop, for chamber ensemble
• op. 414 – Adagio; for flute and organ
• op. 415 – Sarcasm, for flute, piccolo, and organ
• op. 416 – Hommage to Zurich, Dadaist Suite, for MS, flute, viola, and cello
• op. 417 – Sonata; for violin, viola, cello, and piano
• op. 418 – We All Have Some Delay; for brass quintet (semi-aleatoric)
• op. 419 – Baroque Concerto, for oboe and strings
• op. 420 – Joseph Beuys Sonata, for piano or prepared piano
• op. 421 – Knaldperle; for orchestra
• op. 422 – Viola Sonata
• op. 423 – Hommage to Man Ray, for flute and piano
• op. 424 – Variations on ‘The Missing Mouse’, for piccolo
• op. 425 – Hans (Jean) Arp Sonata, for piano and electronic tape
• op. 426 – Preludes and Fugues (17), for organ
• (op. 426) – In Memory of George Maciunas, for piano and electric piano
• (op. 426) – Breakdown, no instrumentation
• op. 427 – 1.5 Fugue, for cello and piano
• op. 428 – The Tempered Piano vol. 5
• op. 429 - Barraque Dull Odde Suite, for piano
• op. 430 – In an Atmosphere of Italian Futurism, for orchestra
• op. 431 – Hyfer, for marimba
• op. 432 – Symphony No. 15 ‘Marrakesh’
• op. 433 – Dance and Counter-Dance (5), for 4H piano
• op. 434 – Fragment, for orchestra
• op. 435 – Pieces (2), for piano
• op. 436 – Ultra-Short Pieces (8), for piano
• op. 437 – Organ Sonata no. 1
• op. 438 – Variazioni Senza Tema; for piano and orchestra
• op. 439 – Klavierstykke, for piano
• op. 440 –Trilogy, for piano
• op. 441 – Piano Sonata no. 14
• op. 442 – A Psalm and a Poem; for SATB chorus and orchestra
• op. 443 – Pariser Suite, for piano
• op. 444 – Cello Concerto no. 3
• op. 445 – Horn Concerto
• op. 446 – Sonata no. 2; for two pianos
• op. 447 – Piano Sonata no. 15 ‘Salzburg’
• op. 448 - Annæ-piece, for cello and piano
• op. 449 – Theme With Variations; for two pianos
• op. 450 – Piano Concerto no. 8
• op. 451 – Observations. Psycho-biological Suite, for flute, oboe and piano (rev.)
• op. 452 – Piece for Television, for oboe, horn, violin, cello, and piano
• op. 453 – Violin Concerto no. 3
• op. 454 – Waltzes (3), for two pianos
• op. 455 – Reflections, for organ
• op. 456 – Piano Sonata no. 16
• op. 457 – Piano Sonata no. 17
• op. 458 – Inventions (21); for organ
• op. 459 – Piano Sonata no. 18
• op. 460 – Piano Sonata no. 19
• op. 461 – Piano Sonata no. 20
• op. 462 – Piano Sonata no. 21
• op. 463 – Psalms (20), for mixed chorus and organ
• op. 464 – Etudes (16); for cello
• op. 465 – Mimosas, for organ
• op. 466 – Easy Sonata, for two pianos
• op. 467 – Bokkenheuser Elegy, 4H Piano
• op. 468 – Piano Sonata no. 22
• op. 469 – DSB Overture; for brass or wind band
• op. 470 – The Tempered Piano vol. 6
• op. 471 – Emancipation, for alto sax and piano
• op. 472 – Ultra-short Pieces (33), for piano
• op. 473 – Chromatic Sonatina, for piano
• op. 474 – Climatic Changes; for baritone sax, piano, and chamber ensemble
• op. 475 – Hommage to Pierre Boulez, for two pianos
• op. 476 – Hyldest til Ærø, for piano
• op. 477 – Quartetto Brioso, for flute, violin, viola, and cello
• op. 478 – Soprano Sax Sonata
• op. 479 – Theme and Variations, for 4H piano
• op. 480 – Piece, for soprano sax solo
• op. 481 – Termalen, for voice, cello, and piano
• op. 482 – Concerto no. 2, for 2 pianos and orchestra
• op. 483 – Concertino; for piano, woodwinds, and percussion
• op. 484 – Tenor Sax Sonata
• op. 485 – Baritone Sax Sonata
• op. 486 – Soloists Duo, for two pianos
• op. 487 – Alceste Overture, for two pianos
• op. 488 – Concerto; for reduced string section
• op. 489 – Song Cycle, for soprano and guitar
• op. 490 – Motivation, for carillon
• op. 491 – Pezzo I, Pezzo II, for piano
• op. 492 – Quasi una Passacaglia; for organ
• op. 493 – Duettino, for flute and guitar
• op. 494 – Jubilee Prelude, for organ
• op. 495 – Forest Pieces (6); for piano
• op. 496 – Amalgam, for two pianos
• op. 497 – Music of the Firebirds, for 4H Piano
• op. 498 – Sonatina, for alto sax and piano
• op. 499 – Spies Composition, for two trumpets and piano
• op. 500 – Savanorola, opera
• op. 501 – Institute for Humanistic Studies Composition, for two flutes and piano
• op. 502 – Sonata, for flute and guitar
• op. 503 – Sonata, for harp solo
• op. 504 – Plankton; for 2 pianos and large ensemble
• op. 505 – Løgumkloster Suite, for piano
• op. 506 – Goldberg Variations, no. 2, for piano
• op. 507 – String Quartet in One Movement
• op. 508 – Ohm, for 4H piano
• op. 509 – Symphony No. 16
• op. 510 – Oboe Sonata
• op. 511 – Surroundings, for string quartet
• op. 512 – Star Tour Hymn, for piano
• op. 513 – Airplane March, for piano
• op. 514 – DSB Gavotte; for violin, cello, and piano
• op. 515 – Sometimes OK, for ???
• op. 516
• op. 517
• op. 518 – Water Level, for 4H piano
• op. 519 – String Quartet no. 14
• op. 520 – The Wild Painter, for three flutes
• op. 521 – Mini Cantata, for recitative, violin, clarinet, and piano
• op. 522 – Symphony No. 17
• op. 523 – Symphony No. 18
• op. 524 – Symphony No. 19
• op. 525 – Symphony No. 20
• op. 526 – Symphony No. 21 ‘Niels Ebbesen’
• op. 527 – Symphony No. 22
• op. 528 – Water Music II; for large ensemble
• op. 529 – Hieroglyph no. 2, for two pianos
• op. 530 – The Tempered Piano vol. 7
• op. 531 – Duo concertante; for violin and double bass
• op. 532 – The Tempered Piano vol. 8
• op. 533 – Fantasy and Fugue on BACH, for two pianos
• op. 534 – Forbundne Bassiner, for flute and piano
• op. 535 – Bolero II; for piano and big band
• op. 536
• op. 537 – Ondine II; for piano
• op. 538 – Poetic Sonatine, Intermezzo, for violin and cello
• op. 539 – Duo, for violin and viola
• op. 540 – Bass Sax Sonata
• op. 541 – The Tempered Piano vol. 9
• op. 542 – The Tempered Piano vol. 10
• op. 543 – Poetic Sonatine II, Burla, for oboe solo
• op. 544 – Hommage to Carl Nielsen, for two pianos
• op. 545 – Panorama, for 11 instruments
• op. 546 – The Tempered Piano vol. 11
• op. 547 – Concerto for Dizzy; for trumpet and orchestra
• op. 548 – Piece, for big band
• op. 549 – Chôro Daniensis; for flute, clarinet, cello, guitar, piano, and percussion
• op. 550 – Pollicino Quartet, for violin, viola, cello, and double-bass
• op. 551 – Cabaret Voltaire, for guitar
• op. 552 – Æbeltoft Fanfare, for trumpet
• op. 553 – Trio no. 4, for violin, cello, and piano
• op. 554 – The Tempered Piano vol. 12
• op. 555 – Shells; for sax quartet
• op. 556 – Symphony No. 23 ‘Kaldet Piræus’
• op. 557 – The Tragedy of Lady Day, for mezzo-soprano and big band
• op. 558 –
• op. 559 – Little Suite, for piano
• op. 560 – Tribute to the Mediterranean, piano (incomplete)
• op. 561 – Fantasy I, Intermezzo, Fantasy II, for piano
• op. 562 – Mazurka, for piano
• op. 563 – Variations, for piano
• op. 564 – Johannes the Seducer; for SATB chorus and small ensemble
• op. 565 – Sainkhonism, for vocal solo and chamber ensemble
• op. 566 – Quartet, for clainet (B/A), violin, viola, and cello
• op. 567 – IV Pezza (quasi una Sonata), for two pianos
• op. 568 – Copenhagen Suite no. 1; for piano
• op. 569 – Copenhagen Suite no. 2; for piano
• op. 570 – Copenhagen Suite no. 3; for piano
• op. 571 – Copenhagen Suite no. 4; for piano
• op. 572 – Pyramid; for cello, flute, clarinet, percussion, guitar, and piano
• op. 573 – Micro Trio, for tuba, violin, and percussion
• op. 574 – September Quintet, for flute, oboe, violin, cello, and cembalo
• op. 575 – Opus Pundik, for alto sax and piano
• op. 576
• op. 577 – Hus Forbi, for oboe, cello, and piano
• op. 578 – Chamber Concerto, for clarinet solo and ensemble
• op. 579 – Spirals, for clarinet, trumpet, and accordion
• op. 580
• op. 581
• op. 582a – La Chien Rouge, for tuba and piano
• op. 582b – La National Front, for oboe, clarinet, and bassoon
• op. 583 – Jacques Chirac, for string quartet (associated with op. 582)
• op. 583 – Thirty Enzymes, for piano
• op. 584 – Postulate and Paradox, for piano
• op. 585 – Pneus, for piano
• op. 586 – Infiltration, for piano
• op. 587
• op. 588
• op. 589 – Prophilactic Prognosis, for piano
• op. 590 – Kortspil, chamber opera (incomplete)
• op. 591 – Can you Hear Gershwin?, chamber opera (incomplete)
• op. 592
• op. 593
• op. 594
• op. 595 – String Quartet no. 16
• op. 596
• op. 597 – Symphony No. 24
• op. 598 – Concertino, for two pianos
• op. 599 – Piano Sonata no. 23
• op. 600 – Little Studio Suite, for piano
• op. 601 – Chamber Concert, for solo piano, two bassoons, and percussion
• op. 602
• op. 603
• op. 604
• op. 605
• op. 606
• op. 607
• op. 608 – Tsetse Fly, for flute, clarinet, violin, cello, guitar, piano, and percussion
• op. 609
• op. 610
• op. 611 – Naïve Song, for mezzo-soprano and piano (incomplete)
• op. 612
• op. 613 – Vermichte Bemerkungen, for small ensemble
• op. 614 – Musical Menu, for flute, oboe, violins, cello, and cembalo (incomplete)
• op. 615
• op. 616 – Motto Hafniensis, for piano
• op. 617a – Prologue, for soprano, clarinet, and piano
• op. 617b – Trenologue, for soprano, clarinet and piano
• op. 618 – Hymn for the Extra! Newspaper, for voice and piano
• op. 619
• op. 620 – Ghost Stories (3), for alto and ensemble
• op. 621 – Cellism, for 12 cellos
• op. 622
• op. 623
• op. 624 – Piano Sonata no. 26
• op. 625 – Piano Sonata no. 27
• op. 626 – Piano Sonata no. 28
• op. 627 – Piano Sonata no. 29 ‘Taiwanese’
• op. 628
• op. 629
• op. 630 – First Glitters, for voice and ensemble
• op. 631 – Pezzo, for piano
• op. 632 – Mantziu Sonata, for piano
• op. 632 – Quartet Brevo, for flute, clarinet, cello, and piano
• op. 633 – The Tempered Piano vol. 13
• op. 634 – Piano Sonata no. 30 ‘Fetish’
• op. 635
• op. 636 – Piano Sonata no. 31 ‘Brøndsonata’
• op. 637
• op. 638 – The Tempered Piano vol. 14
• op. 639
• op. 640
• op. 641
• op. 642
• op. 643
• op. 644
• op. 645
• op. 646
• op. 647
• op. 648
• op. 649
• op. 650 – Anti-Democratic Hymn to the Health Minister, for bari sax, trumpets, etc.
• op. 651 – Anti-Attention Hymn to the Social Minister, for clarinet, harp, and guitar
• op. 652 – Anti-Murder Hymn to the Labor Minister, for English Horn, tuba, cello
• op. 653
• op. 654
• op. 655
• op. 656
• op. 657
• op. 658
• op. 659
• op. 660
• op. 661
• op. 662 – As a Man Approaches Eighty, for piano
• op. 663 – In Memory of Hector Villa-Lobos, for piano (incomplete)
• op. 664 – Strumenta Diabolica; for guitar

Unnumbered Pieces

• op. ??? – Jazz Heiroglyph (?); for two pianos (1950)
• op. ??? – Fanfare; for 4 recorders and strings (1956)
• op. ??? – Reflections; for organ (1985)
• op. ??? – Beethoven en Face, for piano (1987)
• op. ??? – Postcard-Composition, for variable instrumentation (aleatoric) (1992)
• op. ??? – Contrapunctus XIV (org. unfinished by J.S. Bach), for organ (1993)
• op. ??? – 26 Fragments, for piano (based on op. 436, op. 559) (1996)
• op. ??? – Song from Joyce’s Ulysses, for soprano and piano (1998)
• op. ??? – Tosatset, for cello solo (1998)
• op. ??? – For Six Hands, for 6H piano (1999)
• op. ??? – Pezzo, for sax, cornet, horn, tuba, violin, cello, cembalo, and perc(1999)