Sonatas and Interludes for Prepared Piano (1946-1948) by John Cage Tracks First Interlude Fourth Interlude Second Interlude Sonata #4 Sonata I Sonata II Sonata III Sonata IV Sonata IX Sonatas XIV and XV "Gemini" Sonata V Sonata VI Sonata VII Sonata VIII Sonata X Sonata XI Sonata XII Sonata XIII Sonata XVI Third Interlude