Happy Hour for a Cause: Yes, it is possible that your daily happy-hour binge could do some good in the world. Tonight, at Drinker's Tavern, buy a $10 wristband and get all domestic beers for just $2. Proceeds benefit World AIDS Orphan Week. 7-11 p.m.
'Sing Your Life': Head to the Khyber Pass Pub this evening for delicious beers and Sara Sherr's 'Sing Your Life' Karaoke, aka, Karakoke that doesn't suck: Think more Tom Waits, less Rick Astley. Free; 9 p.m.
The Tiger Beat Elixir: Feel like dancing? Tonight's Tiger Beats dance party at the Barbary is our prescription for a bad case of the Mondays. Expect some Battles, Data Rock, Beck, Devo, JJ and more to wind you up for the week ahead. Free; 9 p.m.
Going out can be a gamble, so why leave it up to chance? Stack the deck every afternoon by peeping Play's Dance Card.