I didn't they before I went to Garorock, a Festival in the French Southwest this summer. This was by far the best concerts I've ever been to! They made us dance, sing and jump - and I didn't know any song.
They're called Deluxe and their album is Stachelight. Check them out: https://www.youtube.com/playlist?list=PLx4ScG2RIdErMx3ZZ_BurwyO9dPgpuP83