High Quality Content by WIKIPEDIA articles! Scream Tracker is a tracker (an integrated multi-track step sequencer and sampler as a software application). It was created by Psi (Sami Tammilehto) of Finland`s Future Crew (FC) It was coded in C and assembly language. The first popular version of Scream Tracker, version 2.2, was published in 1990. Versions prior to 3.0 created STM (Scream Tracker Module) files, later ones used S3M (ScreamTracker 3 Module). The last version of Scream Tracker was 3.21 released in 1994. It was the precursor of the PC tracking scene and its interface inspired newer trackers like Impulse Tracker.