A Rhapsody To Go subscription and an active Internet connection are required to use this application. A one week free trial is included with the application and there is no need to provide credit card information. Once the trial is up you will need to pay $14.99 per month to continue service.
Rhapsody provides access to around 8 million tracks and fully integrates with Rhapsody Software and Rhapsody.com. It works over Wi-Fi and 3G.
You can download the application for free from the App Store.