Tracks 1 and 18 recorded Feb 24, 1978 at Clubland Studios. Released April 1978 on Liner Records as Linear 001.
Tracks 2 to 4 recorded Sept 2, 1979 at The Soundsuite, Camden. Released Oct 1979 on Red Records as RS001.
Tracks 5 and 6 are demos recorded May 6-8, 1980 at Alaska studios. Never released.
Tracks 7 to 11 recorded Jun 2/4/5/6 1980 at Pathway, Islington. Released Aug 1, 1980 on Red Linear Records as RL12005.
Track 13 recorded Oct 4, 1980 at Matrix. Track 12 recorded Nov 25, 1980 at the Barge. Released Feb 14, 1981 on Red Linear Records as RL007.
Tracks 14 and 15 recorded Apr 5-8, 1981 at Blackwing Studios. Released Aug 1, 1981 on Red Linear Records as RS010.
Trakcs 16 and 17 recorded Oct 1981 at Blackwing Studios. Released Mar 3, 1982 on Red Linear Records as RS 12-011.