Piano Sonata in A minor, D784 Piano Sonata in A minor,D.784 Piano Sonata in A Minor, D 784 Piano Sonata in A minor, D.845 Piano sonata in B minor S 178 Piano Sonata in A minor, D845 Piano sonata in B minor S178 Piano Sonata in B minor, S.178 Piano sonata in A minor, D 537 Piano sonata in A minor, K.310