Other difficulty suggestions, although none of them are music-related. I guess other media references sound plausible
Evangelion Movies
-You Are (Not) Alone
-You Can (Not) Advance
-You Can (Not) Redo
-You Will (Not) Survive
-Get your act together, Shinji
Call of Duty
-Recruit
-Regular
-Hardened
-Veteran
-Idk for this one. Try "Zombies" b/c you're downright screwed on this one
Evangelion Movies
-You Are (Not) Alone
-You Can (Not) Advance
-You Can (Not) Redo
-You Will (Not) Survive
-Get your act together, Shinji
Call of Duty
-Recruit
-Regular
-Hardened
-Veteran
-Idk for this one. Try "Zombies" b/c you're downright screwed on this one