The Band’s Levon Helm and instrumentalist Larry Campbell have joined the lineup of the All for the Hall concert in New York City benefiting the Country Music Hall of Fame. As previously announced, the Oct. 15 “guitar pull” will also feature Rodney Crowell, Gillian Welch and Emmylou Harris. Billy Bob Thornton and the Boxmasters will host. Campbell, who worked several years in Bob Dylan’s band, recently received a lifetime achievement award from the Americana Music Association. The concert will be held at the Nokia Theater in Times Square. Tickets are $750 per person.