Plethyn is a Welsh language folk music group that was at their zenith between 1978 and 1995.
The members are Linda Healy, Roy Griffiths and John Gittins.
Elfed Lewys had a significant influence on the group when he came to the area as a minister.
[3] Plethyn is the Welsh word for "braid", "plait" (as in three strands) or "bond".
This article on a United Kingdom band or other musical ensemble is a stub.