Luke Bryan, Del McCoury, Laura Bell Bundy and Heidi Newfield, will join Dierks Bentley at his fifth annual Miles & Music for Kids celebrity motorcycle ride and concert set for Oct. 17. The hour-long ride begins at the Harley-Davidson dealership in Columbia, Tenn., and ends in downtown Nashville for the concert at Riverfront Park. Proceeds benefit the Monroe Carell Jr. Children's Hospital at Vanderbilt, a Children's Miracle Network Hospital located in Nashville. As previously announced, Miranda Lambert and Jerrod Niemann will also participate in the event. Tickets are available via Ticketmaster.