There are a few bands who take popular pop or rock songs and cover them in a country or bluegrass manner, Hayseed Dixie being the most famous. As one might expect with such projects, they often have very mixed results.
Here’s one by The Twang, lifted from AC/DC’s legendary Back in Black album. As I say, ordinarily I approach such things with great caution, but this is not bad at all:
The Twang – You Shook Me All Night Long