Still, high-tech companies fear being left behind, and the market for digital music is sure to grow.
This is when digital music took a major part in his performance.
And digital music in cars is beginning to move beyond the iPod.
I am retiring from anything online, and digital music entirely.
You can make more money in the new era of "free" digital music.
The issue is how to protect the copyright of the products you buy - digital music in this case.
It covers the topic of creating digital music on a computer.
He last wrote for the magazine about digital music.
"People will buy digital music across retail channels," he said.
The fans are not the only ones who seem to be enjoying new forms of digital music.