At its core, a is a proprietary audio format associated with the ST-In-Music (hence "STIM") software on the Atari ST platform. Developed in the late 1980s and early 1990s, ST-In-Music was a tracker-style music sequencer that allowed users to compose complex arrangements using the Atari’s built-in Yamaha YM2149 sound chip.
Even experienced engineers encounter STIM file failures. Here is a troubleshooting checklist: stim files
Several tools and software packages are available for creating, editing, and managing stim files. These include: At its core, a is a proprietary audio