Jamey Johnson will release a new album, The Guitar Song, on Sept. 14 on Mercury Nashville. The set will offer 25 new songs and more than two hours of music. "Macon," one of the album's tracks, is now available digitally. Johnson has invited surprise guests to perform the song with him on the 2010 CMT Music Awards airing live Wednesday (June 9) at 8 p.m. ET/PT on CMT. In addition to the digital release, The Guitar Song will be available as a two-CD set. Johnson will perform at Bonnaroo Music and Arts Festival on Sunday (June 13) in Manchester, Tenn.