"Jolene" has been covered numerous times, but despite how it sounds, this is not a cover by a pretty-sounding dude. It's a 45 rpm record of Dolly singing that has been slowed to 33 rpm... Here's the original for reference.
Starting last June, Big Machine (Taylor Swift, Tim McGraw and others) and several other large independent labels struck precedent-setting deals with Clear Channel that bypass ASCAP, BMI, SESAC and SoundExchange.
Fans of indie musician Jonathan Coulton were incensed last week when an alleged Glee version of "Baby Got Back" surfaced on the internet that seemed to shamelessly rip off Coulton's distinctive arrangement of the 1992 Sir Mix-A-Lot song.
Kristy Jackson's insight:
So here's a show that focusses on ant-bullying and difficulties of being an artist and completely rips of an Indie artist's version. Listen to them. They're identical. Shame on Glee. I knew there was a reason I didn't watch it.