["BIOGRAPHY & AUTOBIOGRAPHY \/ Music","LITERARY COLLECTIONS \/ Letters","MUSIC \/ Individual Composer & Musician","Composers;United States;Correspondence.","Conductors (Music);United States;Correspondence.","Musicians;United States;Correspondence.","AMERICAN LETTERS AND CORRESPONDENCE","BIOGRAPHY & AUTOBIOGRAPHY","BIOGRAPHY & AUTOBIOGRAPHY \/ Music","BIOGRAPHY AND AUTOBIOGRAPHY","Biography","Biography\/Autobiography","Composers;United States;Correspondence.","Conductors (Music);United States;Correspondence.","General Adult","Individual Composer & Musician","LITERARY COLLECTIONS","LITERARY COLLECTIONS \/ Letters","Letters","MUSIC \/ Individual Composer & Musician","Music","Musicians;United States;Correspondence.","Non-Fiction","Reference","UNIVERSITY PRESS","United States"]