High Sierra Music and In Ticketing will present A Hurricane Katrina Relief Benefit with The Everyone Orchestra at San Francisco’s 12 Galaxies on September 25. In addition to group founder Matt Butler, this addition of the Everyone Orchestra will include String Cheese Incident’s Billy Nershi and Jason Hann, Jambay’s Mike Sugar and Chris Haugen, ALO’s Dan Lebowitz and Steve Adams, Hot Buttered Rum String Band’s Zac Matthews and Aaron Rednor, New Monsoon’s Bo Carper, Axis Brothers’ Dave Pellicciaro, Audio Angel, Samantha Stollenwerck and Julian Fritz. New Orleans native Kirk Joseph, who performs in Sousafunk and Anders Osborne’s band, will also help take the group to the outer limits. The evening’s net proceeds will be donated to the non-profit High Sierra Foundation which has established a special fund to give direct aid to musicians of New Orleans affected by Hurricane Katrina.