1-6. Quartet in B flat major, op. 130 1-4. Quartet in E flat major, op. 127 1-7. Quartets in B flat major op. 130 Quartet in B flat major,op.130 Quartets in B flat major op. 130 String Quartet in B flat major,Op.130 string quartet in b flat major, k. 458 Quartett in B flat major op.130 Piano quartet in E flat major op.44 Piano quartet in E flat major op.47