{"value"=>"<p>This series, which is arranged alphabetically by genre, contains files documenting live performances of his compositions (ordered by title); letters from fellow composers and academics (ordered alphabetically by name); diploma and honor certificates; photographs of live events, Rochberg with his colleagues, and professional portraits; and his writings on composition and musicology (ordered by title). Among the letter writers are Istvan Anhalt, Milton Babbitt, William Bolcom, Andres Briner, Elizabeth Gentry Colman, Aaron Copland, Luigi Dallapiccola, Arthur Darack, Aurelio de la Vega, Ernest Gold, Peter Gradenwitz, Ulysses Kay, Daniel Kobialka, William Schuman, Walter Sear, Harry Somers, John Tagliabue, and Douglas Townshend. Also present are letters to and from the Theodore Presser Company (1951-1966). The writings include drafts of his published and unpublished essays and books. Of note are the drafts of Chromaticism: Symmetry in Atonal and Tonal Music, a theoretical and historical exploration of composition that was posthumously published in 2012 as A Dance of Polar Opposites; and the notes for the unpublished book Iconography of the Mind, of which some drafts are located in the original George Rochberg papers accession (JPB 86-19).</p>"}