Tracklist
When The Night Is Right ! 0:00
It's Changed 6:54
Lean Meat 12:54
Apex 19:12
Impressions 26:00

Credits
Alto Saxophone, Flute -- George Young (2) (tracks: A1, 2 & 3)
Baritone Saxophone, Flute -- Lew Del Gatto* (tracks: A1, 2 & 3)
Bass -- Bob Babbitt (tracks: A1 & 2), Francisco Centeno (tracks: A1 & 2), Will Lee (tracks: A3)
Conductor -- Brad Baker (tracks: A3)
Design -- Ron Warwell
Drums -- Alan Schwarzberg (tracks: A1 & 2), Ben Riley (tracks: B1), Jamey Haddad (tracks: B2), Rick Marotta (tracks: A3)
French Horn -- Fred Griffin (tracks: A3)
Guitar -- George Benson (tracks: B2), Jerry Friedman (tracks: A1, 2 & 3), Lance Quinn (tracks: A1, 2 & 3), Richie Hohenburger (tracks: A1 & 2)
Horns -- Eddie Daniels (tracks: A1 & 2), Joe Randazzo (tracks: A1 & 2), John Sheply* (tracks: A1 & 2), John Frosk (tracks: A1 & 2), Marvin Stamme* (tracks: A1 & 2), Dominic Menardo* (tracks: A1 & 2)
Keyboards -- Lonnie Smith
Mastered By -- Elliott Federman
Percussion -- Jimmy Maelen (tracks: A1, 2 & 3)
Photography -- Chuck Stewart
Piano -- Yaron Gershovsky (tracks: A1 & 2)
Producer -- Sonny Lester
Tenor Saxophone -- Joe Lovano (tracks: A3, B1 & B2)
Trombone -- Barry Rodgers (tracks: A1, 2 & 3), Dave Taylor* (tracks: A1, 2 & 3)
Trumpet -- Alan Rubin (tracks: A1, 2 & 3), Randy Brecker (tracks: A1, 2 & 3)

Notes
Side One: Selections 1 & 2 recorded 1979
Side One: Selection 3 Recorded 1976
Side Two: Recorded 1975, New York City