From classic stories of love & loss to modern collaborations that blur stylistic lines, duets have helped define the sound of ...

We found four of the best country duets, which came out in the last 10 years, and all became big hits for the artists.

A good song becomes a great song when Dolly Parton joins Zac Brown Band's "Butterfly." Seriously though, how often has that been the case? The country legend seems to be amid a collaboration era.

These are three of the best country Christmas duets that were ever released, sung by country Christmas singers.

When two powerful singers come together to tell a story, it makes the message that much more compelling. In the case of these 23 sad country duets, that means that the heartbreak feels ... well, twice ...