iPods have revolutionized music listening. Music fans can travel around with 160 gigabytes of storage. That’s 40,000 songs and more than 4000 CDs worth of music. For ambient musicians like Steve Roach and Robert Rich, whose compositions last the full 72 plus minutes of a CD or the 7 hours of a DVD, the iPod gives them an opportunity for music works that approach infinity. But Brian Eno has beat them all to it with the exclusive Brian Eno iPod which plays one song for a 1000 years. It’s not quite infinity, but he’s getting there.