To help get you primed for the Academy of Country Music Awards on CBS this Sunday (8pm ET/PT), take a look back at some of the top ACM nominees who have been featured on the CBS Interactive concert webcast program Live on Letterman. That’s right, we’re talking full concerts, available to watch on demand, from Taylor Swift, Brad Paisley, Dierks Bentley, and Rascal Flatts. It’s like you just logged onto an awesome free country music festival!

We’ve got clips from the shows below that you can watch right here, plus links to the full concerts, available anytime on-demand. Sit back, relax, get a beverage, and enjoy.

Taylor Swift

Taylor Swift is nominated for three ACM Awards this year. Watch as she wowed the crowd when she took the stage at the Ed Sullivan Theater and had everyone worked up into a frenzy. When you watch this show, you’ll see why.

Watch the full Taylor Swift concert webcast.

Dierks Bentley

Dierks Bentley brought the country to the city and showed those New Yorkers a thing or two when his band picked and grinned their way through this concert.

Watch the full Dierks Bentley concert webcast.

Rascal Flatts

The Flatts boys brought those world famous harmonies to the Ed Sullivan Theater and brought down the house with their signature style.

Watch the full Rascal Flatts concert webcast.

Brad Paisley

Brad straight up brought the house down. New York just wasn’t ready for this kind of scorching country, but Brad made believers of them all! You can watch the rest of his show on Vevo.

Read more stories about the 2012 Academy of Country Music Awards.

Cast your vote for the 2012 ACM Entertainer of the Year and New Artist of the Year!

See the full list of 2012 ACM Award nominees, and read more nominee profiles.

Watch the Academy of Country Music Awards live on Sunday, April 1 at 8pm ET (delayed PT) on CBS.

- Kurt Wolff, CBS Local