These recyclable, foldable speakers from OrigAudio would make a great gift for any music-lover on your list, especially a music-lover who travels a lot. They're made to travel.
Time magazine even named these recyclable speakers one of the best 50 inventions of 2009. They're foldable, recyclable, self-powered, and super-lightweight. Plus, the design of the speakers is fully customizable, which makes them an even better gift—you can personalize them specifically for your recipient.