In music notation, a sixty-fourth note (American) or hemidemisemiquaver (British) is a note

Note

In music, the term note has two primary meanings:#A sign used in musical notation to represent the relative duration and pitch of a sound;#A pitched sound itself....

 played for 1/64 of the duration of a whole note

Whole note

thumb|right|250px|Figure 1. A whole note and a whole rest.In music, a whole note or semibreve is a note represented by a hollow oval note head, like a half note , and no note stem . Its length is equal to four beats in 4/4 time...

 (or semibreve). It lasts half as long as a thirty-second note

Thirty-second note

In music, a thirty-second note or demisemiquaver is a note played for 1/32 of the duration of a whole note...

 (or demisemiquaver).



Sixty-fourth notes are notated with a filled in oval note head

Note head

In music, a note head is the elliptical part of a note. Noteheads may be coloured completely black or white, indicating the note value . In a whole note, the note head is the only component of the note. Shorter note values attach a stem to the note head, and possibly beams or flags...

 and a straight note stem with four flags. The stem is drawn to the left of the note head going downward when the note is above or on the middle line of the staff. When the note head is below the middle line the stem is drawn to the right of the note head going upward. Multiple adjacent sixty-fourth notes may have the flags connected with a beam

Beam (music)

A beam in musical notation is a thick line frequently used to connect multiple consecutive eighth notes , or notes of shorter value , and occasionally rests...

.

A similar, but rarely encountered symbol is the sixty-fourth rest

Rest (music)

A rest is an interval of silence in a piece of music, marked by a sign indicating the length of the pause. Each rest symbol corresponds with a particular note value:The quarter rest may also be found as a form in older music....

(or hemidemisemiquaver rest, shown on the right of the image) which denotes silence for the same duration as a sixty-fourth note.

Notes shorter than a sixty-fourth note are very rarely used, though the hundred twenty-eighth note

Hundred twenty-eighth note

In music, a hundred twenty-eighth note or semihemidemisemiquaver or quasihemidemisemiquaver is a note played for 1/128 of the duration of a whole note . It lasts half as long as a sixty-fourth note . It has a total of five flags or beams.Notes this short are very rare in printed music, but not...

 (otherwise known as the semihemidemisemiquaver or quasihemidemisemiquaver), and even shorter notes, are occasionally found.

The names of this note (and rest) in European languages vary greatly:

Language	note name	rest name
Dutch Dutch language Dutch is a West Germanic language and the native language of the majority of the population of the Netherlands, Belgium, and Suriname, the three member states of the Dutch Language Union. Most speakers live in the European Union, where it is a first language for about 23 million and a second...	vierenzestigste noot	vierenzestigste rust
German German language German is a West Germanic language, related to and classified alongside English and Dutch. With an estimated 90 – 98 million native speakers, German is one of the world's major languages and is the most widely-spoken first language in the European Union....	Vierundsechzigstelnote	Vierundsechzigstelpause
French French language French is a Romance language spoken as a first language in France, the Romandy region in Switzerland, Wallonia and Brussels in Belgium, Monaco, the regions of Quebec and Acadia in Canada, and by various communities elsewhere. Second-language speakers of French are distributed throughout many parts...	quadruple-croche	seizième de soupir
Italian Italian language Italian is a Romance language spoken mainly in Europe: Italy, Switzerland, San Marino, Vatican City, by minorities in Malta, Monaco, Croatia, Slovenia, France, Libya, Eritrea, and Somalia, and by immigrant communities in the Americas and Australia...	semibiscroma	pausa di semibiscroma
Spanish Spanish language Spanish , also known as Castilian , is a Romance language in the Ibero-Romance group that evolved from several languages and dialects in central-northern Iberia around the 9th century and gradually spread with the expansion of the Kingdom of Castile into central and southern Iberia during the...	semifusa	silencio de semifusa
Polish Polish language Polish is a language of the Lechitic subgroup of West Slavic languages, used throughout Poland and by Polish minorities in other countries...	sześćdziesięcioczwórka	pauza sześćdziesięcioczwórkowa
Portuguese Portuguese language Portuguese is a Romance language that arose in the medieval Kingdom of Galicia, nowadays Galicia and Northern Portugal. The southern part of the Kingdom of Galicia became independent as the County of Portugal in 1095...	semifusa	pausa de semifusa
Russian Russian language Russian is a Slavic language used primarily in Russia, Belarus, Uzbekistan, Kazakhstan, Tajikistan and Kyrgyzstan. It is an unofficial but widely spoken language in Ukraine, Moldova, Latvia, Turkmenistan and Estonia and, to a lesser extent, the other countries that were once constituent republics...	шестьдесят четвертая нота	шестьдесят четвертая пауза

"Semifusa" derives from the mensural notation

Mensural notation

Mensural notation is the musical notation system which was used in European music from the later part of the 13th century until about 1600."Mensural" refers to the ability of this system to notate complex rhythms with great exactness and flexibility...

 corresponding to the modern sixteenth note

Sixteenth note

thumb|right|Figure 1. A sixteenth note with stem facing up, a sixteenth note with stem facing down, and a sixteenth rest.thumb|right|Figure 2. Four sixteenth notes beamed together....

.