Decades of combined Bay Area musical friendship coming together to celebrate a 40th birthday on Saturday, September 3rd at Mystic Theatre in Petaluma.   Two full sets from members of ALO, Big Light, The Mother Hips, Tea Leaf Green + special guests! This celebration happens every 10 years and always leaves a mark.        THE GATHERING OF SHEPHEARDS Music Director: Jeremy Korpas.(Big Light) Dan "Lebo" Lebowitz (ALO) Steve Adams (ALO/Big Light) Ezra Lipp (ALO) Reed Mathis (JFJO/Electric Beethoveneen) Greg Loiacono (Mother Hips) Trevor Garrod (Tea Leaf Green) Scott Rager (Tea Leaf Green) Fred Torphy (Big Light) Bradly Bifulco (Big Light) Ft: Derek Brooker and more special guests   VIBES: LONGCON (7:00 - 8:00 PM) MORALE (11:30 PM to close)   As always with this party, VIBES from LONGCON (40/40 Vinyl Project) and MORALE (Dirty Rotten Dance Party).   If you want to fast, go alone. If you want to go far, go together.