Not any particular group but Welsh language music in general.
As somebody who doesn’t speak Welsh, I find it weird how invisible it is. Any Welsh group can generally expect to be completely ignored by the media unless they sing in English.
That’s true of any other language, tbf; Scottish and Irish Gaelic aren’t commonly heard outside of their native language regions.
I’m fond of all three, but you have to be familiar with what’s around to go digging deeper.
Tangled Parrot of Camarthen had a stall at Greenman this year with stacks of Welsh language recordings, the greater majority I’ve never heard of, but the same’ true of Scottish, Irish, Breton…
Cerys Matthews, Julie Fowlis, Capercaillie are about the only ones I have in their native languages, time and money to allow experimentation stop me from discovering more.
tangledparrot.com