ALT music V1.zip is a release file of the Minecraft resource pack ALT Music by Saim, made for Minecraft 1.21.4. It was published on July 8, 2025 and is 151.8 MB in size. For the full description, screenshots and every other version, visit the ALT Music by Saim resource pack page.
How to install: Put the .zip into .minecraft/resourcepacks (do not extract it) and enable it under Options → Resource Packs.