40. Love And Theft "Angel Eyes"

(Photo by Jason Merritt/Getty Images)

39. Brantley Gilbert "You Don't Know Her Like I Do"

(Photo by Rick Diamond/Getty Images)

38. Lady Antebellum "Need You Now"

(Photo by Ethan Miller/Getty Images)

37. Zac Brown Band "Colder Weather"

(Photo by Jason Merritt/Getty Images)

36. Josh Abbott Band "Oh, Tonight"

Photo credit: Purifoy Photography

35. Dierks Bentley "Am I The Only One'

(Photo by Michael Tullberg/Getty Images)

34. Clay Walker "She Won't Be Lonely Long"

(Photo by Leigh Vogel/Getty Images for Ovation)

33. The Band Perry "If I Die Young"

(Photo by Kevin Winter/Getty Images for Stagecoach)

(Photo by Kevin Winter/Getty Images for Stagecoach)

32. Jana Kramer "Why Ya Wanna"

(Photo by Alberto E. Rodriguez/Getty Images)

31. Taylor Swift "Ours"

(Photo by Kevork Djansezian/Getty Images)

30. Blake Shelton "God Gave Me You"

(Photo by Rick Diamond/Getty Images For Country Thunder)

29. James Ottos "Just Got Started Lovin' You"

(Photo by Frederick Breedon/Getty Images)

28. Eli Young Band "Crazy Girl"

(Photo by Christopher Polk/Getty Images for Stagecoach)

27. Rascal Flatts "Banjo"

(Photo credit ROBYN BECK/AFP/Getty Images)

(Photo credit ROBYN BECK/AFP/Getty Images)

26. Tim McGraw "Better Than I Used To Be"

(Photo by Ethan Miller/Getty Images)

25. Zac Brown Band "No Hurry"

(Photo by Rick Diamond/Getty Images for Country Thunder)

24. Keith Urban "Long Hot Summer"

(Photo by Royce DeGrie/Getty Images)

23. The Band Perry "Postcard From Paris"

AFP PHOTO / ROBYN BECK (Photo credit should read ROBYN BECK/AFP/GettyImages)

22. Chris Cagle "Got My Country On"

(Photo by Frank Micelotta/Getty Images)

21. Zac Brown Band "Keep Me In Mind"

(Photo by Rick Diamond/Getty Images for Country Thunder)

20. Luke Bryan "Drunk On You"

(Photo by Christopher Polk/Getty Images for Stagecoach)

19. Keith Urban "For You"

(Photo by Royce DeGrie/Getty Images)

18. Chris Young "You"

(Photo by Rick Diamond/Getty Images)

(Photo by Rick Diamond/Getty Images)

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(Photo by Ethan Miller/Getty Images)

16. Eli Young Band "Even If It Breaks Your Heart"

(Photo credit ROBYN BECK/AFP/GettyImages)

15. Josh Turner "Time Is Love"

(Photo by Royce DeGrie/Getty Images)

(Photo by Royce DeGrie/Getty Images)

14. Josh Abbott Band "Touch"

Photo credit: Purifoy Photography

13. Kip Moore "Somethin' 'Bout A Truck"

(Photo by Rick Diamond/Getty Images for BMI)

12. George Strait "Love's Gonna Make It Alright"

(Photo by Rick Diamond/Getty Images)

11. Carrie Underwood "Good Girl"

Photo by D Dipasupil/Getty Images for The Elvis Duran Group

10. Kelly Clarkson"Mr. Know It All"

(Photo by Kevin Winter/Getty Images)

9. Jason Aldean "Fly Over States"

Getty Images

8. Casey James "Let's Don't Call It A Night"

(Photo by Jason Kempin/Getty Images for BMI)

7. Wade Bowen "Saturday Night"

(Photo by Rick Diamond/Getty Images For Country Thunder)

6. Eric Church "Springsteen"

(Photo by Ethan Miller/Getty Images)

5. Miranda Lambert "Over You"

(Photo by Frazer Harrison/Getty Images for Stagecoach)

4. Lee Brice "A Woman Like You"

(Photo by Rick Diamond/Getty Images of IEBA)

3. Jake Owen "Alone With You"

Getty Images

2. Lady Antebellum "Dancin' Away With My Heart"

(Photo by Rick Diamond/Getty Images)

1. Blake Shelton "Drink On It"

(Photo credit ROBYN BECK/AFP/GettyImages)