I'm not sure what additives are in the water in San Francisco, but, it may or may not have something to do with the music coming out of there. Collider, along with Photons and Kite In The Air and Minipop are all putting out some seriously great music.
Sounding like the noisier brother to local Dallas band Radiant*, Collider blends power-pop charm with a DIY ethos that will be heaven to your ears. You can download their new EP, BBM here... for free.
MP3: Collider - Time Concerns