Scream Tracker is a tracker (an integrated multi-track step sequencer and sampler as a software application). It was created by Psi (Sami Tammilehto), who later formed Finnish Future Crew (FC). It was coded in C and assembly language.The first version (1.0) had monophonic 4-bit ouptut via PC Speaker and 8-bit via DAC on an LPT and SB 1.x. The first popular version of Scream Tracker, version 2.2, was published in 1990.