We already have quite a few cover songs out, but what other songs do you want to be covered?
Personally i would love to see:
Clannad After Story ~ Chiisana Tenohira
Clannad After Story OP - Toki wo Kizamu Uta
Nil Admirari no Tenbin OP - Tandeki Mirage-ism
Fresh Precure! OP ~ Let's! Fresh Precure!
Sailor Moon OP ~ Moonlight Densetsu
Blend S OP ~ Bon Appétit♡S
Ouran High School Host Club OP ~ Sakura Kiss
And that's only to name a few songs i would want to be covered~