Taylor Swift's performance of 'Red' with Vince Gill and Alison Krauss didn't just earn the 23-year-old a standing ovation at the 2013 CMA Awards, it also generated quite the buzz -- so much so that radio stations and iTunes already have the song.

Immediately after Swift's harmonious collaboration Wednesday night (Nov. 6) , radio stations started asking for permission to spin the song. Her record label didn't waste any time getting the song up on iTunes, making it officially available for purchase as of Thursday (Nov. 7).

The 'I Knew You Were Trouble' singer used her Twitter account to let her fans know how excited she was before, during and after the CMA Awards. She even said this was her "favorite CMAs ever!"


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