As we all know, Glee has been turned down by a few artists when approached about covering their songs on the show. However, it seems that one of these artists has had a change of heart because Glee has now been given permission to cover a song they were previously denied to perform.

A Twitter post from The Ultimate Gleeks stated:

Some #GLEEKS DO NOT want song spoilers, so I’ll say this: #GLEE IS doing a song by a band that previously denied Ryan Murphy permission. ;-)

Although this hasn’t been confirmed, this particular Twitter account has been reliable in the past. Who could the mystery band be? Kings of Leon? The Foo Fighters? Most online speculation believes it to be Coldplay, but we’d love to hear your ideas!