DiscJockey

This mod adds music discs for every vanilla music track up to 1.20, as well as discs for the bonus tracks from Minecraft Volume Alpha and Minecraft Volume Beta.

Music discs may be found in structures, as well as occasionally dropped by mobs killed with skeleton arrows. All vanilla structures (that contain loot) have their own set of disc spawns.

Bonus tracks may be disabled by config option. These discs will still exist in worlds and can be spawned via command, but will not generate or drop.