"Type in the title of any one of 375,000 songs recorded on 15,000 albums and you can assemble your own CD. The selection is limited to less than 10 percent of all the albums ever made, or a fraction of the songs available from services such as Apple's iTunes.
But within an hour, shoppers can pick up their own custom-made CD album with up to 20 songs. They also can design their own cover art. The price is $4.62 for an album with three songs, then 88 cents per song after that."
You can read the whole thing here.