Septet in E flat major,Op.20 Septet in E flat major, Op.20 Septet in E-flat major, op. 20 Octet in E flat major, op.20 Octet in E flat major, Op.20 Sextet in B flat major,Op.18 Quartet in B flat major,op.130 Quartet in E flat major,op.127 Waltz in A flat major,op.42 Waltz in E flat major,op.18