7DaysToDieOst.zip is a release file of the Minecraft resource pack Seven Days To Die OST, made for Minecraft 1.16.5, 1.12.2. It was published on April 27, 2022 and is 198.3 MB in size. For the full description, screenshots and every other version, visit the Seven Days To Die OST resource pack page.
How to install: Put the .zip into .minecraft/resourcepacks (do not extract it) and enable it under Options → Resource Packs.