1-4. Quartet in E flat major, op. 127 1-6. Quartet in B flat major, op. 130 1-7. Quartets in B flat major op. 130 Quartet in E flat major,op.127 String Quartet in E flat major, Op.127 Piano quartet in E flat major op.47 Quartett in E flat major op.127 String Quartet in B flat major op. 67 String Quartet in E flat major,Op.127 Piano quartet in E flat major op.44