Art Direction, Design [Album]: Richard Mantel, Bass: Percy Heath, Drums: Connie Kay, Engineer [Recording & Re-mix]: Lew Hahn, Photography By: John Paul Endress, Piano: John Lewis (2), Producer: John Lewis (2), Vibraphone [Vibraharp]: Milt Jackson, Electric Piano: John Lewis (2), Electric Piano: John Lewis (2), Labelcode WUND623.2 (WOU 623)