Jammit, music software offering budding and veteran rock stars access to top industry artists’ original multi-track master recordings, will be unveiled at this week’s Macworld Conference & Expo.

Created by music producer Scott Humphrey (Motley Crue, Rob Zombie, Ozzy Osbourne), Jammit gives music fans of all levels a way to learn their favorite artists’ tracks as they were meant to be played. Features include instrument isolation, synchronized notation and tablature combined with phrase looping and a slow speed function without changing pitch.

A quick product video demo is available on YouTube at http://www.youtube.com/watch?v=28h9hvOS-m4 . Available soon (pricing hasn’t been announced) at http://www.jammit.com, music lovers can download, install and purchase their favorite songs for the iPad, iPhone, iPod touch, Mac OS X, Windows and other devices.