KALX co-announces: Squarepusher @ Regency Ballroom Posted on July 17, 2012 Join KALX and friends for an audio/visual performance by Warp Records artist Squarepusher at the Regency Ballroom. Opening DJ set by Eric Sharp. The Regency is located:1290 Sutter St. San Francisco Doors 7pm / Show 8pm All ages.