The app requirement alone kills this demographic. Login nails the coffin.
These kids aren't going to install an application on a friends device and log in with their own credentials when they can search a .com instantly.
The household computer, the one with the bundled multimedia speakers, that's where you'll find them hovering, socially selecting and blasting main stream pop.
Teen parties are being DJed with YouTube! YouuuTube!
People keep underestimating this about the web. Sometimes people don't care how awesome your app is, they just want something that they can do that works every time. Something passable that runs on ever platform everywhere. That's HTML, and for music, that's YouTube
