Tracks:
01 Quartet No 1
02 Quartet No 3
03 talk
04 Quartet No 2 Part I
05 Quartet No 2 Part IIa
06 Quartet No 3 Part IIb
07 talk
08 Mirror, Mirror
09 unknown

Lineup:
Chick Corea - piano
Michael Brecker - saxophone
Eddie Gomez - bass
Steve Gadd - drums