In the late aughts, Chicago production duo Aaron Brink and Steve Reidell were the kings of the mashup, combining Wilco and Kanye West, Common and Flying Lotus and a host of other unlikely pairings. The pair hasn't really slowed down, and is bringing its 10 year anniversary tour through San Francisco, home to a big chunk of the act’s fanbase. Spacey beat-maker Blockhead opens the show.