Recently, I re-discovered the joy of world building through music. I do most of the writing for my paranormal romance novels in the relative quiet of a house full of playful finches and napping dogs and cats. I usually only employ music (and Reese's Pieces) during the editing phase.
Lots of authors use music as a soundtrack for their writing process, but I embrace the quiet. Unless I'm writing somewhere like the car dealership (while waiting on service) or the school parking lot (while