Release

	Optimo
1	Optimo	2:42
2	Cavern	5:21
3	Scraper	3:41
4	Out	2:07
	Successive Reflexes
5	Lock Groove (In)	3:57
6	Lock Groove (Out)	4:05
	Berimbau - Bill Kleinsmith Percussion [Metalphones], Shaker [Gonza], Saw [Sawblades] - Al Diaz
7	Push	1:57
8	Zero Leg	2:31
9	Eyes Sharp	2:12
	Clarinet [Bass] - Elliott Sharp
	Liquid Liquid
10	Groupmeggroup	3:18
11	New Walk	2:07
12	Lub Dupe	1:49
13	Bell Head	2:19
14	Rubbermiro	3:34
	Percussion [Metalphones] - Al Diaz Trumpet - Richard Edson
	Live From Berkley Square (12th March 1982)
15	Lock Groove (Live)	4:00
16	Groupmegroup (Live)	2:20
17	Bell Head (Live)	1:53
18	Push (Live)	2:49

Credits

Artwork By [Original Artwork] - Richard McGuire
Artwork By [Sleeve Design] - Ben Drury
Bass, Percussion, Piano, Noises [Alarm Bell], Guitar, Melodica - Richard McGuire
Congas [Additional] - Bill Kleinsmith (tracks: 10 to 14)
Drums, Percussion, Talking Drum - Scott Hartley
Engineer - Bruce Tovsky (tracks: 5 to 9) , Greg Curry (tracks: 5 to 9)
Marimba, Timpani [Roto Toms], Percussion - Dennis Young
Other [International A&r] - James Lavelle
Tape [All Transfers By], Edited By [Digital Editing] - Perkin Barnes
Technician [Digital Restoration By] - Bruce Tovsky (tracks: 15 to 18) , Jim Hefferman (tracks: 15 to 18)
Vocals, Percussion - Salvatore Principato
Written-By - Liquid Liquid