The arcade game Taiko no Tatsujin: Pink Ver. (太鼓の達人 モモイロVer.) will have the track Pocket Monsters X/Y Wild Pokémon Medley (ポケットモンスター X・Y 野生ポケモンメドレー) added to it track list starting April 17th, 2014. This track is new to the arcade version but the Wii U version had the track since launch.
Also, the Wii U game Taiko no Tatsujin Wii U Version! (太鼓の達人 Wii Uば~じょん!) will have the track Pocket Monsters X/Y Trainer Battle Medley (ポケットモンスター X・Y トレーナー戦メドレー) available as free DLC starting April 23rd, 2014.
Source:
http://www.pokemon.co.jp/info/2014/04/140418_gd02.html