Watch: Peyton Manning sings Johnny Cash's 'Folsom Prison Blues' with Dierks Bentley

Peyton Manning and his wife, Ashley, visited Indianapolis this past weekend for their 8th annual Celebration of Caring Fundraising Gala, where country music singer Dierks Bentley performed -- and got a little help from the quarterback for one tune:

It's only a short clip of Manning and Bentley on Johnny Cash's "Folsom Prison Blues," but there's a longer video at our disposal because the track is apparently a Manning favorite for the annual gala. Check him out in 2013 with country music star Luke Bryan:

[H/T Denver Post]