Fourth volume in the BYG Actuel series; gatefold sleeve, 180 gram vinyl. "A great recording session for the French BYG Actuel label dated August 12, 1969. Tenor saxophonist Archie Shepp met up with members of the Chicago avant-garde school including Art Ensemble Of Chicago members Lester Bowie, Roscoe Mitchell and Malachi Favors. Featuring also Dave Burrell, Sunny Murray, Philly Joe Jones, Art Taylor, Clifford Thornton, Earl Freeman among the others."