1. Must be loud enough to drown out the awful din of open-concept office, coworkers, etc. 2. Music with too many words is distracting (e.g. rap) 3. Needs to be energetic and aggressive for maximum productivity
I listen to trance and other electronica. I normally hate this kind of music but I found that this repetitive and rhythmic soundscape doesn't interfere with my focus like my preferred form of music, blues/folk/rock.