There's no admission fee and here's the lineup for the show at Golden Gate Park today (start time's 11 am):
http://www.powertothepeaceful.org/lineup.html
Blackalicious and T-K.A.S.H will be there, among a ton of other bands.
http://www.powertothepeaceful.org/lineup.html
Blackalicious and T-K.A.S.H will be there, among a ton of other bands.