His final theater work was Delusion of the Fury ,  which incorporated music from Petaluma ,  and was first produced at the University of California in early 1969. In 1970, the Harry Partch Foundation was founded to handle the expenses and administration of Partch's work. His final completed work was the soundtrack to Betty Freeman 's The Dreamer that Remains . He retired to San Diego in 1973, where he died after suffering a heart attack on September 3, 1974.  The same year, a second edition of Genesis of a Music was published with extra chapters about work and instruments Partch made since the book's original publication.