Piano Sonata in B flat minor : III Allegro assai Piano Sonata in B flat minor : III Allegro assai; Piano Sonata in B flat minor : I Allegro maestoso; Piano Sonata in B flat minor : I Allegro maestoso Piano sonata in B minor S 178 Lento assai Piano Sonata in B flat minor : II Andante sostenuto Piano Sonata in B flat minor : II Andante sostenuto; Piano Sonata in B flat minor, op.35 Piano sonata in A flat major hob XVI 46 Sonata in B flat major k 529. allegro