Glen Campbell: I’ll Be Me documents the singer’s struggle with Alzheimer’s after his diagnosis in 2011 and his final Goodbye Tour which ended in Napa, CA in November 2012. Bruce Springsteen, Keith Urban and Taylor Swift are among those featured in the film. Campbell’s final recording is slated to be released on September 30 as part of a five-song EP from the documentary’s soundtrack. Glen Campbell: I’ll Be Me opens in NYC on October 24, then will expand to 50 cities nationwide. Check out the trailer: