OLD CROW MEDICINE SHOW — The Arkansas Music Pavilion has announced a new concert for its 2013 season, and tickets go on sale this morning. Neobluegrass group Old Crow Medicine Show will perform on May 4, a Saturday night. The group, known for bridging the gap between old-time traditionals and new-wave Americana, has been featured at many festivals and at the Grand Ole Opry. Tickets range from $32-$77 and go onsale at 9 a.m. today at 443-5600 or waltonartscenter.org.