The American Avant-Garde in the 20th Century (2) by John Cage Tracks Interlude 1 Interlude 4 Interludes 2 Interludes 3 Sonatas I Sonatas II Sonatas III Sonatas IV Sonatas IX Sonatas V Sonatas VI Sonatas VII Sonatas VIII Sonatas X Sonatas XI Sonatas XII Sonatas XIII Sonatas XIV Sonatas XV