1-6. 6 duets op. 11 for piano four hands 6 duets op. 11 for piano four hands Six duets, op. 11 for piano 4 hands Waltzes op.39 for piano four hands Hungarian dances WoO1 for piano four hands Peer Gynt suites version for piano four-hands Four pieces for piano, four-hands Wolfgang Amadeus Mozart works for piano four-hands Ludwig van Beethoven complete works for piano four hands Works for piano four-hands