It is clear, the fantasy consoles embed trackers into their software to create music. They construct the fantasy of the tools of those time. There were no trackers direct embedded in 8bit computers. Trackers really became popular as standalone programs on Amiga. 

Tracker were software - used especially on the Amiga. The most of the music was created in this type of music software. And the people behind the swiss games of the 80ies/90ies even created a tracker and the possibility to use the same framework also in games.