After 10 years with MCA Nashville and Decca, Mark Chesnutt will record for Sony Music Nashville’s Columbia imprint, Billboard reports. Billy Joe Walker Jr. will produce. Chesnutt, Joe Diffie and Tracy Lawrence will announce Wednesday that they’re embarking on a tour together, the Rockin’ Roadhouse Tour. Chesnutt also is slated to appear Feb. 10 on Diffie’s annual “Country Steps In for First Steps” concert at the Ryman Auditorium. 01/22/02