July 01, 2008 at 11:37 PM EDT

This just in and making me giddy and slightly uncomfortable: CMT’s cross-genre concert series Crossroads is set to pair Taylor Swift and her favorite rock band, Def Leppard. I’ll give you a moment to process the idea of them singing each other’s songs…

And, you’re back. The concert will tape in Nashville in October and premiere on CMT in November.

Taylor is clearly psyched. “Every time I’ve seen Crossroads on CMT I’ve always thought, ‘If I ever get to do one of those, it HAS to be with Def Leppard!,’ so this is really a dream come true for me,” she said in a press release. “I have been screaming the words to Def Leppard songs for years… so it’s amazing that I’m going to get to share a stage with them this year!” So, too, is Def Leppard’s Joe Elliot (pictured), who said, “How cool is this?! Country’s hottest young star wanting to work with us!!”

I am a huge fan of the Crossroads series. If you haven’t caught any of the concerts, check out Maroon 5 and Sara Evans doing “She Will Be Loved”; Bon Jovi and Sugarland doing “It’s My Life”; John Fogerty and Keith Urban doing “Centerfield” (talk about giddy); Melissa Etheridge and Dolly Parton doing “Come to My Window”; Kelly Clarkson and Reba McEntire doing “Since U Been Gone”; Joss Stone and LeAnn Rimes doing “Summertime”; Lindsey Buckingham and Little Big Town doing “Bring it on Home to Me”; John Mayer and Brad Paisley doing “Daughters”; and James Taylor and the Dixie Chicks doing “Carolina in My Mind.” You’ll understand why.

If you’ve seen the series, what are your favorite moments from it?

addCredit(“Def Leppard: Frank Mullen/WireImage; Taylor Swift: Barry Brecheisen/WireImage”)

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