Pop Date Book

* A reunion of the Judds, right, comes to the Arrowhead Pond on March 2. Tickets go on sale Saturday. . . . Tickets go on sale Monday for a season of spring shows at Thousand Oaks Civic Arts Plaza: Chicago on March 7, Roger Whittaker on March 10, Gordon Lightfoot on April 12 and a Beach Boys date to be announced. . . . Coming to the Troubadour: Imperial Teen Jan. 22, Sense Field Jan. 28, and the bill of Dee Dee Ramone and D.I. Jan. 29. Tickets for all three shows will be available Saturday. . . . Tickets go on sale Sunday for Marc Cohn’s Dec. 26 date at the Sun Theatre.