Piano quartet in B minor (Unfinished) Piano Quartet in A minor(A小调钢琴四重奏) Piano quartet (Unifinished) Piano Quartet in C minor Op.60 Piano Quartet in G minor Op.25 Piano quartet no.1 in C minor, op.15 - Scherzo Piano Quartet in C minor,Op.60 Piano Quartet in C minor,op.60 Piano Quartet in F minor,op.34 Piano Quartet in G minor,K 478