Eric Dolphy[MainArtist], Alfred Lion[Producer], Rudy Van Gelder[StudioPersonnel], Rudy Van Gelder[Recording Engineer], Eric Dolphy[AssociatedPerformer], Eric Dolphy[Bass Clarinet], Eric Dolphy[Composer], Freddie Hubbard[AssociatedPerformer], Freddie Hubbard[Trumpet], Bobby Hutcherson[AssociatedPerformer], Bobby Hutcherson[Vibraphone], Richard Davis[AssociatedPerformer], Richard Davis[Bass], Tony Williams[AssociatedPerformer], Tony Williams[Drums]