Rhapsody is now offering its streaming music service for BlackBerry after a successful beta run. After signing up for a $10 per month subscription, you can get access to 10 million tracks on demand over either Wi-Fi or 3G, tune in to tailor-made radio stations, listen to what’s popular, browse through categories of music, or search for specific songs. If you hear a song you like, you can also buy it for $0.69 and $1.29 per track.

America’s #1 subscription music service lets you experience 10 million songs on demand. Give it a try for free. If you like it, keep listening to all the music you want on your BlackBerry and online - for just 10 bucks a month.

The Rhapsody App makes it easy to find whatever music you want to hear, wherever you are. Listen to your old favorites or check out the newest releases. Create the perfect playlist or kick back and listen to ad-free radio by artist or genre. A Rhapsody trial or subscription is required. An active Internet connection is required to stream music.

Current Rhapsody members can simply install the application, sign in and start listening.