Ditto, but it comes with disadvantages. Apparently my concentration-face is the same as my I'm-really-bored-please-talk-to-me-even-if-you-have-nothing-to-say-face. I only listening to music around half the time, but if I'm not doing something that's obviously requiring my attention, the headphones are always in anyway. Sometimes I just stare blankly at an open book while my mind is elsewhere :)