http://www.mp3tunes.com/

So you’re at work, and all your mp3s are at home? Well, no they’re not, not if you’ve uploaded them to your locker on mp3tunes.com. In that case you can download or stream them from wherever you like. $40 for a one year subscription.

Split between 4 thats 4 times as many tunes for 4 times less. Interested?