piano. Piano Sonata C major KV 279 189d - Sonata F major KV 280 189e - Sonata B flat major KV 281 189f - Piano Sonata E flat major KV 282 189g - Piano Sonata G major KV 283 189h - Sonata D major KV 284 205b - Sonata C major KV 309 284b - Piano Sonata a minor KV 310 300d - Piano Sonata D major KV 311 284c