Things to do in San Francisco on a Friday night?

So, a friend and I live about half an hour away from the City, and we decided that we're going to go out there on Friday to have some fun and an overall awesome night, but we can't seem to think of anything to do! Not entirely keen on clubs, because the best ones seem to be 21+ and we're both 19, so any suggestions for a couple of girls to have a great night on the town would be AWESOME!Things to do in San Francisco on a Friday night?
I would look at live music venues, comedy clubs, or jazz clubs. Most of them are 18 plus. And there are usually same-day tickets available at a deep discount. Here are some venues with shows for Friday evening:

http://cobbscomedyclub.com/
https://tix.theatrebayarea.org/
http://rasselasjazzclub.com/
http://www.yoshis.com/sanfrancisco
http://www.boomboomblues.com/
http://www.slims-sf.com/
http://musichallsf.com/Things to do in San Francisco on a Friday night?
These are the good exciting nightlife in SF



- Temple Nightclub

Categories: Dance Clubs, Lounges

Neighborhood: SOMA

540 Howard St

San Francisco, CA 94105



- Club Eight

Categories: Dance Clubs, Gay Bars

Neighborhood: SOMA

1151 Folsom St

San Francisco, CA 94103

(415) 431-1151Things to do in San Francisco on a Friday night?
You can check out if Ruby Skye (one of the best in SF) is having an 18+ event. Maybe, if you're lucky you can hear some of the best dj's mix.