Pixelmon

Pixelmon adds many aspects of the Pokémon into Minecraft, including the Pokémon themselves, battling, trading, and breeding. Pixelmon also includes an assortment of new items, including prominent items like Poké Balls and TMs, new resources like bauxite ore and Apricorns, and new decorative blocks like chairs and clocks.

The Pixelmon Mod OST by Chris Geddes

This Modpack includes everything you need as a pre-built Pixelmon exerience - The Pixelmon Mod, The Pixelmon OST, Journeymap, BYG, Natures/Explorers Compass.