 His performance in the European premiere of Schoenberg's "Phantasy for Violin and Piano Accompaniment", Op.47, missed being the world premiere by only a few hours (the world premiere took place in Los Angeles on 13 September 1949, with Leonard Stein on piano and Adolph Koldofsky on violin).Soon after Leibowitz's earliest travels to the United States (first in 1947 to visit Schoenberg in Los Angeles), Monod followed, accompanying Leibowitz to New York City in 1950.