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