DEEMO -Reborn- Taiko No Tatsujin Collaboration Collection contains the following:

1 3piece-JazzParty!
・Difficulty
　Controller: Easy 4 / Normal 7 / Hard 9
　Touch: Easy 4 / Normal 7 / Hard 9

2 Rin (凛)
・Difficulty
　Controller: Easy 3 / Normal 8 / Hard 10
　Touch: Easy 3 / Normal 8 / Hard 10

3 No Gravity
・Difficulty
　Controller: Easy 3 / Normal 7 / Hard 8
　Touch: Easy 3 / Normal 7 / Hard 9

4 Toryu (冬竜 ～Toryu～)
・Difficulty
　Controller: Easy 4 / Normal 8 / Hard 9
　Touch: Easy 4 / Normal 8 / Hard 10

5 Kaichu Teien o Motsu Shoujo (懐中庭園を持つ少女)
・Difficulty
　Controller: Easy 2 / Normal 6 / Hard 8
　Touch: Easy 2 / Normal 6 / Hard 9

More details on the official game page of Taiko No Tatsujin Collaboration Collection ...