- "Liberated Brother" (Weldon Irvine) - 5:23
- "Kathy" (Ray Evans, Jay Livingston, Moacir Santos) - 4:17
- "Gregory Is Here" - 6:21
- "Summer in Central Park" - 4:41
- "Nothin' Can Stop Me Now" - 5:15
- "In Pursuit of the 27th Man" - 9:44
- "Strange Vibes" - 5:02
Recorded at Rudy Van Gelder Studio, Englewood Cliffs, NJ, October 6 (tracks 2, 4, 6 & 7) and November 10 (tracks 1, 3 & 5), 1972.
Músicos.
Horace Silver - electric piano
Randy Brecker - trumpet, flugelhorn (tracks 1, 3 & 5)
Michael Brecker - tenor saxophone (tracks 1, 3 & 5)
David Friedman - vibes (tracks 2, 4, 6 & 7)
Bob Cranshaw - electric bass
Mickey Roker - drums