Bandai Namco has announced a new Pokémon 3 Song DLC Pack for Taiko no Tatsujin: Drum ‘n’ Fun called
Pokémon Let's Go! Pikachu - Let's Go! Eievui and Pokémon Game Anime Music Pack (ポケモン Let‘s GO! ピカチュウ・Let’s GO! イーブイ』& ポケモンアニメミュージックパック ). The DLC pack will be released on February 7th, 2019 for 400yen plus tax and will feature a track from
Pokémon: Let's Go, Pikachu! + Let's Go, Eevee! as well as the Pocket Monsters Sun and Moon anime opening themes
Aim To Be A Pokémon Master -20th Anniversary- and
Future Connection.
Source:
https://switch.taiko-ch.net/dlc/