Personnel: Gil Scott-Heron (vocals, flute, piano, bells); Horace Ott, Johnny Pate (conductor); Brian Jackson (vocals, flute, acoustic & electric pianos, bells); David Barnes (vocals, percussion); Hubert Laws (saxophone, piccolo, flute); David Spinozza, Burt Jones (guitar); Ron Carter (acoustic & electric basses); Gerry Jemmott (bass); Bernard Purdie (drums); Eddie Knowles, Charlie Saunders (congas, percussion).
Producer: Bob Thiele.
Compilation producer: John Snyder.
Engineers include: Bob Simpson, Ray Hall.
Recorded between 1970 and 1972. Includes liner notes by Tom Terrell.
Digitally remastered by Tom MacCluskey (1997, BMG Studios, New York, New York).