Festival: Boo! Halloween Massive – San Francisco, Calif.
- Performers: Flosstradamus, Oliver Heldens, Nicky Romero, Seven Lions, Snails, Kennedy Jones, DallasK, Ghastly, Shaun Frank, Dr. Fresch, 4B
- Date: Fri, Oct 30, 2015 at 8:00 pm - Sat, Oct 31, 2015
- Location: Bill Graham Civic Auditorium - San Francisco, CA
- Ages: 18+
- Tickets: On sale now