Kenny Chesney reunite for a duet featured on Uncle Kracker's upcoming album, 72 and Sunny, set for June 29 release. The track, "Last Night Again," features background vocals by Phil Vassar and Poison's Bret Michaels. Nashville songwriter Frank Myers ("I Swear") provides acoustic guitar and backing vocals on "Don't Know How (Not to Love You)." The album was recorded in Burbank, Calif., and Nashville. "When the Sun Goes Down," Chesney's first duet with Uncle Kracker, remains at No. 1 on Billboard's country singles chart.