ANS was a CD-R created and produced by Coil with use of the famed ANS synthesizer. The CD-R originally sold at Mutek 2003, in Montreal, Canada for their performance on 29 May 2003. The CD-R came in black c-shell case. No artwork was included.
This CD was later included in the box set The Key to Joy Is Disobedience. This CD was later reissued as "CD A" of the box set, ANS.
The expanded version of this album, ANS, is currently available at Coil's official website, Thresholdhouse.com.