Trio in A minor, op.50 Trio in A minor,Op.50 Trio in D minor, op.49 piano trio in a minor, op.50 Piano trio in A minor op.50 Piano trio in A minor, op. 50 Concerto in A minor,op.54 No.1 in E minor,op.11 No.2 in F minor,op.21 Piano Trio in A minor,Op.50