The dungeon-esque exterior of The Big Easy in Petaluma, a hidden speakeasy jazz club tucked down a back alley in Petaluma, used to front an adult store and head shop, but now operates as a bar and music club.

This open mic event has a high calibre of Bay Area talent and is followed by a songwriter showcase which features two or three acts, who play for 30-40 minutes each. Free entry, no cover.

SS Club OM is a perfect open mic for those who appreciate a good listening room — and have always wanted to sit in a subterranean 1920s speakeasy booth, sipping a strong cocktail while some of the Bay Area's best talent takes the stage.

The Secret Song Club is an organization run by Inside Lands creator, Drew Pearce, that sponsors songwriter events around the San Francisco Bay Area.