I've suspected this for years. I can hardly ever understand the ones from South America. I think it's the way they roll their "r"s. They talk fast, too.
I love Radio DB and I rave about it all the time. Basically, Byrne programs about two hours of streaming music, which he changes each month—usually thematically linked—and I usually end up buying one or two (or more) of the discs he streams from.
Someone who can play bagpipes, but doesn't. Definition of having too much money Paying $5000 for digital bagpipes. Of course, I'm not Scots—or José Ángel Hevis.