Carrie Underwood, Taylor Swift, Luke Bryan, and Morgan Wallen are among the biggest country acts of the 21st century.

As we gear up to celebrate the best of today's country music at the 52nd annual Academy of Country Music Awards, it seemed a fitting time to take a look back at the country music legends we have lost.

You can go in many directions when compiling a list of the all-time best country music songs. Which criteria do you use? Record sales, most streamed, most googled, number of weeks on the country ...