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Calamity Mod Wiki
Advertisement (music)
"Acid Rain (Music mod)"
Release date April 1, 2020
Main Mod version
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Version history  •  All patches
This is the page for the Music mod update.

The (or Music mod update, also known as "Acid Rain", added music tracks for the Acid Rain event, Underground Astral Infection biome, and The Old Duke.

This Music Mod version was compatible with Main mod versions and




  • Fixed a bug that allowed Music Boxes to recieve accessory modifiers.
  • Fixed an issue that caused the game to crash when reloading the mod via tModLoader.