I ordered a strange little gem of a movie on ebay, titled "Happy Now", starring Ioan Gruffudd as a police inspector investigating a murder in a small Welsh town. It's interesting to me as an American to hear the Welsh accents in the film.
My cousins in Pontrhydygroes speak English, but you can discern a little pause as they formulate it. Welsh is their native language. I was practicing Welsh and singing in the language with such regularity that I started picking up a Welsh accent. It doesn't persist unless I'm using it daily.
The leader singer from Plethyn, Linda Healy, just released a new CD in March 2003. I just spotted the announcement on the Sain site. Linda sings and speaks in the mid-valleys dialect that was spoken by my family before them emigrated to the U.S.