Beethoven Compositions ① Piano Sonatas Nos. 4, 9, and 10 Piano: Kempff ② Nos. 1, 2, and 3 Piano: Backhaus ③ Nos. 4, 5, and 6 ④ Nos. 28 and 29 (Hammerklavier) The records have only been played once or twice and are all in nearly new condition.