Every Monday night at O’Conners Vault in Multnomah Village (7850 SW Capitol Hwy), Dave Fleschner and his trio host a jam session.  The trio (with Charlie Doggett on drums and Dan Gildea on guitar) open up the evening with an hour of their music starting at 8 PM, and at 9, musicians are called up to join in.  The show is free for musicians - other audience members pay a $5 cover.

 Weekly jam session at Produce Row.  $3 cover.  9-12 PM.  204 Se Oak St.

The occasional Tugboat Brewery jam session led by drummer Russ Kleiner is happening tonight with house band Damian Erskine and Dan Duval. The jam will return next on March 12th, with Damian Erskine and Chris Mosley. 9-11 PM.