Obscure bands that never made it big

[Duderonomy]

The first that comes to mind is A Certain Ratio simply incredible for their era
https://www.youtube.com/watch?v=bC9-TUZSjoQ
Https://www.youtube.com/watch?v=bC9-TUZSjoQ
https://www.youtube.com/watch?v=bC9-TUZSjoQ

[FKAri]

Lots of British bands that didn't break into America would fit the bill here.