We actually do Jolene at that speed. Leilani kills it on vocals, I play fuzzy compressed guitar with the treble turned down, and I made a backing track very similar to the slowed-down recording. It's a lot of fun and the audience loves it.
I'm not a Dolly Parton music fan, but she is a talented songwriter and from what I've read about her, I think she is a nice person. It's just her voice that doesn't really agree with me.