PlayBookDaily.com says in their review:
* I have been using Music Master now for a few days, and I am very impressed with the app. Clean and simple to use interface, and the search function gives me what I want. Music Master is definitely one of those “worth the price apps”.

Users reviews say:
* awesome. worth every penny
* great app!! does what it says, perfectly
* A+
* Excellent! Worth every penny.
* super app.... why cant they all be this worth while?????
* brilliant! easy to use, there hasn't been a song i couldn't find,worth every penny

Listen to unlimited online music on your BlackBerry® PlayBook™. Choose the music you want and listen as much as you want.
MusicMaster allows you to search for any artist, or artist / song combination, and add them to your playlists. MusicMaster also features QuickLoad capabilities for New Hits and other categories such as Classic Rock and Modern Rock.

Features:
- no monthly subscription or music fees; music videos are streamed from YouTube so you will need an internet connection to play music
- create multiple playlists; they are automatically saved
- extremely high hit rate on finding and playing original artists for both new and "classic" music
- play videos in smaller view window, or in full screen (double tap the video window); you can use an HDMI cable to play fullscreen videos on your TV
- listen to your music in the background while using other apps; simply set BlackBerry® PlayBook™ to "Showcase" mode from the options menu
Download / InstallDownload and install Music Master for BlackBerry PlayBook on your BlackBerry!