kas-ost is a release file of the Minecraft resource pack Kon's Asian Styled OST, made for Minecraft 1.17.1, 1.18.1, 1.14.4, 1.16.5, 1.18.2, 1.15.2, 1.7.10, 1.12.2. It was published on April 10, 2022 and is 755.9 MB in size. For the full description, screenshots and every other version, visit the Kon's Asian Styled OST resource pack page.
How to install: Put the .zip into .minecraft/resourcepacks (do not extract it) and enable it under Options → Resource Packs.