https://catsynth.com/2012/09/san-francisco-electronic-music-festival-sfemf-celebrating-john-cage/
San Francisco Electronic Music Festival (SFEMF): Celebrating John Cage - CatSynth
Sep 12, 2012 - The first concert of the 2012 San Francisco Electronic Music Festival (SFEMF) celebrating the music of John Cage on his centennial.
san franciscoelectronic musicjohn cagefestivalsfemf