Personnel: 
Sam Rivers (flute, soprano saxophone, tenor saxophone)
James Spaulding (flute, alto saxophone)
Donald Byrd (trumpet)
Julian Priester (trombone)
Cecil McBee (bass instrument)
Steve Ellington (drum).

Recorded at Van Gelder Studios, New Jersey on March 17, 1967.

1. Precis 
2. Paean 
3. Effusive Melange 
4. Involution 
5. Afflatus 
6. Helix