Sonata in B-flat major D 960 Sonata in B flat major, D 960 Sonata in B-flat major D 946 Sonata in B flat major, D. 960 Sonata in B flat major, D960 Sonata in B flat major,D.960 Sonata in B flat major K. 570 Sonata in B flat major K. 10 Sonata in E-flat major, op. 120 Sonata in A flat major op. 110