A free 14 day trial is available and after that, a subscription is required. For $9.99 per month, you can download an unlimited number of songs to 1 mobile device while a $14.99 monthly subscription allows you to download a song to as many as three mobile devices. Purchasing a song will cost you about $1 per title.
You can install the app for free from BlackBerry App World, but you will need to sign up for the free trial or the monthly plan by clicking on this link.
source: Rhapsody via Crackberry