This seems very cheap. Must be worth a punt for under £3
A co-production between Rockstar Games and music producer Timbaland, Beaterator for PlayStation Portable (PSP) is based on the Web-based music mixing tool of the same name. It features original music and a sound-kit, which includes thousands of loops and sounds produced by Rockstar and multi-platinum producer and entertainer Timbaland exclusively for Beaterator. Designed to put a world-class mixer at your fingertips, it enables easy, powerful and innovative music creation, regardless of the user's experience with music.