Glen Campbell's Legacy 

      Recording artist Taylor Swift attends the 2014 iHeartRadio Music Festival at the MGM Grand Garden in Las Vegas, Nevada, on September 19.

      Taylor Swift

      GLEN CAMPBELL -- Pictured: Musician Glen Campbell -- (Photo by: NBC/NBCU Photo Bank)

      Blake Shelton

      Keith Urban in the CNN Film "Glen Campbell ... I'll Be Me"

      Keith Urban