High Quality Content by WIKIPEDIA articles! NoiseTracker was a freeware tracker created 1989 for the Amiga platform. It was based on the Ultimate Soundtracker and developed by Pex "Mahoney" Tufvesson and Anders “Kaktus” Berkeman. It was used by Amiga game musicians to create music with four channels of sampled stereo sound, e.g. for Shadow of the Beast.