- Buena Vista Social Club on your doorstep: Tito plays authentic El Son, and there are Cuban Salsa dance lessons before the performance. At Ashkenaz, doors open at 8 p.m. on Friday.
- Been training for a hackathon? Y Combinator expects 100 people this weekend in Soda Hall, for 18 hours of “hacking craziness”, from 6 p.m. on Friday to midnight on Saturday. You can join the coders, or just watch minds at work.
- Yes we can: Fourth annual Social Justice Symposium at the First Presbyterian Church includes speakers, workshops and a silent auction. From 9 a.m. on Saturday.
- Art and music, remembrance and healing: PFA theater shows moving documentary of Chile’s Villa Grimaldi interrogation center, and hosts concert by Quijeremá quintet. 5:30 p.m. on Sunday.
Hackathon photo by Batigolix from Flickr