Valve has introduced new feature to it popular gaming client. Players can now use Steam Music Player to listen to their music collection while playing games.
"Point Steam to the MP3s on your computer, then browse your collection of albums and artists. You'll also find your Steam Soundtracks DLC in your Steam Music library when the associated base game is installed. Listen to albums, queue up mixes, and create playlists you love, right in your Steam library. Best of all, it's all available right within the Steam Overlay, so you can control playback without leaving your game. The Steam Music library and player consist of all the basics you need to enjoy your music without switching tasks.
Stay tuned, as we plan to add more features so you can experience Steam music in new ways. We're just getting started."