DJ Shadow has been a favorite local musician of mine since I first heard his work many years ago. He's from San Francisco, and proud of it. He once scored a film called Dary Days, which told the story of various homeless who lived in an abandoned sub-way system.
Via Wikipedia:
Joshua Paul "Josh" Davis (born June 29, 1972),[1][2] better known by his stage nameDJ Shadow, is an American music producer and DJ. He is a prominent figure in the development of instrumental hip hop and first gained notice with the release of his highly acclaimed debut album"Endtroducing.....". He has an exceptionally large personal record collection, with over 60,000 records.
Dark Days (For the film of the same name)
Organ Donor
High Noon