soundtrak_levels-1.2-neoforge-1.21.4.jar is a release file of the Minecraft mod Escape The Backrooms | Soundtracks for levels for NeoForge, made for Minecraft 1.21.4. It was published on October 19, 2025 and is 504.9 MB in size. For the full description, screenshots and every other version, visit the Escape The Backrooms | Soundtracks for levels mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.