The book's main body is then divided into four parts: (1) the 1931 study by Angulo and Beclard d'Harcouri; (2) an index compiled by Garland listing eighty-seven audiotapes by Angulo, as recorded on the Pacifica Radio programs, Old Time Stories; (3) twenty-six pages from Pit River Songz (sic, showing 25 songs collected from the
Pit River Indians arranged in a graphic notation system; and (4) Song of Los Pesares, comprised of twenty short songs of Angulo's own composition in the same graphic notation as Part Three, plus two pages of music written in regular staff ascribed to Henry Cowell.