Operation, Heartburn.zip is a release file of the Minecraft resource pack Operation: Heartburn [Reactive Music], made for Minecraft 1.21.4, 1.20.1, 1.20, 1.21.1, 1.20.4. It was published on April 29, 2026 and is 19.3 MB in size. For the full description, screenshots and every other version, visit the Operation: Heartburn [Reactive Music] resource pack page.
How to install: Put the .zip into .minecraft/resourcepacks (do not extract it) and enable it under Options → Resource Packs.