During this period, saxophonist Pharoah Sanders, who had participated in the June 1965 recording of Ascension, and bassist and clarinetist Donald Garrett, who had known Coltrane since 1955, sat in with the band; according to Sanders, Coltrane told him "that he was thinking of changing the group and changing the music, to get different sounds."
During this period, saxophonist Pharoah Sanders, who participated in the June 1965 recording of Ascension, and bassist and clarinetist Donald Garrett, who had known John Coltrane since 1955, joined the band; according to Sanders, Coltrane proposed altering both the group and music style to produce different sounds.