T-Mass T-Mass San Francisco Management: currently independent. bookings US: Will@sleepinggiantmusic.com T-Mass is an EDM producer and DJ from the SF Bay Area who is carving his name into the trap genre. He is known for making dubstep and trap that blend thoughtful melody with hard-hitting bass, and for talking with his fans at every opportunity. He makes viral facebook videos and drops songs that blow up soundcloud charts. He's a Discovery Project winner and has played at Insomniacs Beyond Wonderland twice. A real Trap Lord in the making with no signs of slowing down.