Throwback Pics: Behind the Scenes at the Academy of Country Music Awards

A new book, This Is Country, offers an exclusive peek at 50 years of the show's most memorable moments

LOVE IN THE AIR

Tim McGraw and Faith Hill were just three weeks away from the birth of their daughter Gracie when they took the stage at the 1997 ACMs to debut their duet "It's Your Love." "Other than praying that I wouldn't go into early labor, it was a fairy-tale moment for me," Hill said of the performance.