Uchiawasemono (a group of pieces that are usually performed different musical pieces together; it is comprised of a main piece and the other pieces composed as suitable for the ensemble)
打ち合わせもの(元の曲に対し､合奏できるように作られた別の曲があり､実際に異曲合奏で演じられるのが普通に行なわれる曲群）