Today, traveling around with a song selection of 10,000 on a digital music player can be as light as five ounces. Thirty years ago, an equivalent scenario would require the average music junkie to haul around roughly 1,500 pounds of records, a bulky turntable and a reliable power source. The rise of online music is changing the way music is produced, sold and experienced, both by fans and those who make their living in the music business. Full story »