Flip through the slideshow for 20 essential country music covers, ranging from Patsy Cline's legendary take on Willie Nelson's "Crazy" to newer favorites like Chris Stapleton's wildly successful ...

Flip through the slideshow for 20 essential country music covers, ranging from Patsy Cline's legendary take on Willie Nelson's "Crazy" to newer favorites like Chris Stapleton's wildly successful ...

Flip through the slideshow for 20 essential country music covers, ranging from Patsy Cline's legendary take on Willie Nelson's "Crazy" to newer favorites like Chris Stapleton's wildly successful ...

That being so, the only opportunity he got to play country music was through various covers on various stages. Here are three of his most notable covers prior to becoming a bona fide pop country star.