Don't sing? Have stage fright? No problem! It's just as fun to watch and (if you want) sing with the crowd off stage! There's also a pool table and dance floor.
Come early for their happy hour that ends at 9pm.
Slate Bar is one block away from the 16th and Mission Bart Station.
Here's the facebook event (which says the same thing) if you want to invite friends who aren't on couchsurfing: https://www.facebook.com/events/611323932254495
Here's the song book to see if the song you want is available! http://djpurple.com/blog/songbook/