Quartet in B flat major,op.130 Quartett in B flat major op.130 Quartet in E flat major,op.127 Quartets in B flat major op. 130 Quartett in E flat major op.127 1-6. Quartet in B flat major, op. 130 Octet in E flat major, op.20 Quartet in F major,op.135 Sextet in B flat major,Op.18 Waltz in E flat major,op.18