<http://schema.org/description>
"Steam OS and Big Picture modes will soon include a music interface, as revealed by Valve last week. Gamers will be able to listen to their personal music collection while playing games with the integrated music player, which can organize music by album or artist. For gamers who spend hundreds of hours in a game, this added feature will be an added convenience for anyone who has special playlists"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.pcgamer.com/coming-soon-to-steam-os-steam-music-integrates-your-music-with-in-game-overlay/>