Dolly Parton's "9 to 5" was a crossover hit, reaching the top of both the country and pop charts.

George Jones's "He Stopped Loving Her Today" is one of the most iconic country songs of all time.

Kenny Rogers and Dolly Parton's "Islands in the Stream" was a massive hit, topping the charts in both the US and the UK.

Willie Nelson's "Always on My Mind" was a crossover hit, reaching the top of both the country and pop charts.

Garth Brooks's "The Dance" was a massive hit, selling over 10 million copies in the US.

DeBarge's "Who's Holding Donna Now" was a crossover hit, reaching the top of both the R&B and pop charts.

Kenny Rogers and Dolly Parton's "Islands in the Stream" was a massive hit, topping the charts in both the US and the UK.

Willie Nelson's "Always on My Mind" was a crossover hit, reaching the top of both the country and pop charts.

Garth Brooks's "The Dance" was a massive hit, selling over 10 million copies in the US.

DeBarge's "Who's Holding Donna Now" was a crossover hit, reaching the top of both the R&B and pop charts.

George Strait's "I Cross My Heart" was a massive hit, selling over 5 million copies in the US.

Alan Jackson's "Don't Rock the Jukebox" was a crossover hit, reaching the top of both the country and pop charts.

Garth Brooks's "Friends in Low Places" was a massive hit, selling over 10 million copies in the US.

George Strait's "Love Without End, Amen" was a crossover hit, reaching the top of both the country and pop charts.

Billy Ray Cyrus's "Achy Breaky Heart" was a massive hit, selling over 10 million copies in the US.