Dierks Bentley (Photo Credit: Kevin Winter/Getty Images for ACM)

The Live on Letterman concert series brings you electrifying performances from today’s hottest musical acts. Check out 2012 ACM Awards nominees Dierks Bentley, Rascal Flatts and Taylor Swift, straight from the Ed Sullivan Theater to your computer…

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Dierks Bentley – “Home”

(Nominated for: Song of the Year)

Watch additional performances from Dierks Bentley.

Rascal Flatts – “I Won’t Let Go”

(Nominated for: Vocal Group of the Year)

Watch additional performances from Rascal Flatts.

Taylor Swift – “Speak Now”

(Nominated for: Entertainer of the Year, Female Vocalist of the Year, Video of the Year, )

Watch additional performances from Taylor Swift.