"Harry" was recorded on January 26, 1979 at Beck Studios. It, along with "In Fear of Dub" and "Ear Wax", had been released on an EP. The other songs were released as singles.

Omnibus Edition bonus discs

The October 19th, 2009 compact disc reissue, subtitled the Omnibus Edition, included a remastered version of the original Mask album as disc 1, a CD of b-sides and alternate versions (disc 2), and a live CD (disc 3).

Disc 2, "Singles and Out-Takes," included the following tracks:

1. Kick in the Eye (Original Single Version) (BEG 54[A]) - 3:38
2. Satori (BEG 54T[B]) - 4:35
3. In Fear of Fear (Original Version)* - 2:43
4. In Fear of Dub (BEG 74T[A]) - 2:57
5. Muscle in Plastic (Rough Mix Version)* - 3:01
6. Dancing (Rough Mix Version)* - 2:33
7. Hair of the Dog (Rough Mix Version)* - 2:53
8. Monkey (Poison Pen) (Rough Mix Version)* - 3:17
9. Ziggy Stardust (Rough Demo Version)* - 4:12 Note that this recording also includes a rehearsal of David Bowie's "Cracked Actor." (David Bowie)
10. Earwax (Full Unedited Version)* 3:29
11. 1-2-3-4 (a.k.a. 1. David J/2. Peter Murphy/3. Kevin Haskins/4. Daniel Ash) (BEG 59[B]) 6:33
12. Muscle in Plastic (Rejected Album Mix)* - 3:22
13. Hollow Hills (Rejected Album Mix)* - 4:49
14. Hair of the Dog (Rejected Album Mix)* - 2:38
15. Poison Pen* - 3:18
16. Kick in the Eye (Single Re-Mix Version) (BEG 54T[A]) - 4:01
17. Dave and Danny's Waspie Dub #2* - 5:53

Disc 3, "This Is for When...," was recorded live at Hammersmith Palais, London, England, on November 9th, 1981 and included the following tracks:

1. This Is for When [written and performed by Alan Moore]* - 1:31
2. The Passion of Lovers* - 3:35
3. In the Flat Field* - 4:10
4. Silent Hedges* - 3:30
5. In Fear of Fear* - 3:18
6. Terror Couple Kill Colonel* - 3:43
7. The Man with X-Ray Eyes* - 3:59
8. Dancing* - 2:57
9. Mask* - 5:50
10. Rosegarden Funeral of Sores* - 5:20 (John Cale)
11. Hair of the Dog* - 3:13
12. Kick in the Eye* - 4:15
13. A God in an Alcove* - 3:48
14. Hollow Hills* - 4:29
15. Stigmata Martyr* - 3:55
16. Dark Entries* - 5:55
17. Bela Lugosi's Dead* - 9:48

A [*] denotes a previously unreleased recording.

Personnel

• Peter Murphy
  Peter Murphy (musician)
  Peter John Murphy is an English rock vocalist. He was the vocalist of the rock group Bauhaus, and later went on to release a number of solo albums, such as Deep and Love Hysteria...
  
   — vocals, guitar
• Daniel Ash
  Daniel Ash
  Daniel Gaston Ash is the guitarist for Bauhaus, Tones on Tail, Love and Rockets, and solo projects.-Life and work:After going to concerts in his teenage years, Ash made a decision to be on a stage in some way...
  
   — guitar, saxophone
• David J
  David J
  David John Haskins , better known as David J, is a British alternative rock musician. He was the bassist for the gothic rock band Bauhaus and Love and Rockets....
  
   — bass, vocals
• Kevin Haskins
  Kevin Haskins
  Kevin Haskins also known as Kevin Michael Dompe is a drummer best known from the British rock group Bauhaus. He was also a member of Tones on Tail and Love and Rockets...
  
  — drums