When Alan Jackson sang about a Vegas showgirl eying Nashville's greener pastures in 1994's 'Gone Country,' he chronicled a process that goes back to Tony Bennett's cover of Hank Williams' 'Cold, Cold Heart.' Whether out of genuine affection for the genre or to jump-start a flagging career, entertainers from across the musical spectrum have slid on their Stetsons. The Boot counts down the oddest -- and most successful.

Snoop Dogg

The rapper has dedicated his latest song, 'My Medicine,' to Johnny Cash. He also presented at the CMT awards and found a kindred spirit in Willie Nelson. (Whatever they have in common, Snoop admitted that he smokes more of it.) The duo even recorded a duet of 'My Medicine' in Amsterdam; the video also features Brad Paisley and Julianne Hough.