Follow along with the video below to see how to install our site as a web app on your home screen.
Note: This feature may not be available in some browsers.
I'm not sure about the PC end but songs can be made available offline through the phone app. I think that's the closest you can get.
edit: bah, I've been ninja'd!
I save every CD I buy at the Market to Google Music. From there I just hit "download purchased music" in Music Manager on my PC and set the directory, and it goes to my PC. I then drag and drop onto Phone while connected USB. And if I want burn CD on PC to play in car. Can't beat 25 cent CD's, even if there's only 1 decent song.