A few letters to family and friends provide only a bare outline of his life and work during that period of U.S. residency. That his return to Mexico at the end of this somewhat obscure chapter of his career found him launched almost immediately into meteoric success as a violinist, teacher, conductor, and especially as a composer, calls out for illumination of the trajectory leading to that point. The fact that Revueltas counts as one of the premier composers of the Americas in the last century further justifies the need for such an exploration. The present foray casts new light toward this corner of Revueltas with data gleaned from public records, the print media, and, unexpectedly, accounts of an eyewitness. This research reveals details that help to define a larger and clearer picture of an important stage of Revueltas' musical development and its impact on his extraordinary