For information on music discs in vanilla Minecraft, see this page.
Music discs are items that can be placed in a jukebox to play music included with Pixelmon. They function in the same way that Minecraft music discs do. All of the music tracks contained in music discs can also play randomly while playing Minecraft (with Pixelmon installed), without using a music disc.
Music discs existed in previous versions of Pixelmon but they were removed since then. They could be found inside chests at the following locations:
Below is a list of every music disc introduced by Pixelmon. All of these music discs have the same rarity in the aforementioned locations.