>>49535721
Sounds like what you're after then is an indie Japanese music thread. Plenty of "regular" songs can be used as アニソン too.

i.e. Is the below not "regular" because it was used as an ED in one of the shitty nu-GiTS series? Or is it regular because she's doing an acoustic self-remix?

Ichiko Aoba - Soto wa Senjou da yo
https://www.youtube.com/watch?v=6ih-KoT6vys