Sonata in B flat,KV 281 Sonata in B flat, K.281 Sonata in E flat,K 481 Sonata in E flat,KV 282 Sonata in E flat, KV 481 Sonata in B flat,K 31 Sonata in B flat,K 8 Sonata in E flat, K.282 Sonata in E flat,K 26 Sonata in E flat, KV 380