Tonight at Biscuits and Blues (401 Mason St.), legendary New Orleans pianist, Henry Butler performs solo piano, combining the classical and jazz elements he absorbed at Louisiana School for the Blind and Southern University with the gospel, blues and R&B sounds he heard growing up in New Orleans. (8pm & 10pm shows) Saturday Grab a boombox and head on over to Mission Dolores Park (18th and Dolores) for Unsilent Night 2006, composer Phil Kline’s annual......