Tickets go on sale today for Social Distortion's Jan. 18 show at UC Irvine's Crawford Hall, for John Michael Montgomery's concert Jan. 12 at the Pond of Anaheim and for Steven Curtis Chapman's Feb. 15 show at the Pond. . . . David Crosby will do shows Jan. 10 at the Galaxy Concert Theatre in Santa Ana and Jan. 11 at the Coach House in San Juan Capistrano. . . . Merle Haggard's show Sunday at the Coach House has been rescheduled for Jan. 31 at the Galaxy Concert Theatre in Santa Ana. Tickets for that show will be honored at the new date, as well as at Haggard's show tonight at the Coach House.