McEntire is country music's top female star and an enduring icon who is as popular as ever after more than 35 years in the business.
Braddock is the first inductee in the new songwriter category. He's written hits for George Jones, Tammy Wynette and Toby Keith, and nine of his songs have been played more than 1 million times on the radio.
Shepard is known as "The Grand Lady of The Grand Ole Opry" with hits stretching back to the early 1950s.
