Oh no! you're in scary waters.... slowtwitch "hates" headphones and music. They like the outdoor sounds ONLY when running or biking! I've asked a question about headphones before and was scolded by several.

Just to save you time on other subjects...
-Any question about bikes, the p2/p3 will be crowbar'd in the discussion and proclaimed the best.
-Any wheel question.... the answer is Flo.
-The only thing worse then vitamins is crossfit.