MARIACHI CONCERT & BARBACOA DINNER January 31,2015. CONCERT Starts at 1 until 2:30 pm in the Dicus Auditorium. Tickets may be purchased before and at the door . BARBACOA DINNER In the School Cafeteria, 3 until 5:30. No tickets for the dinner. Will be sold at the door, all dinner tickets must be pre-purchased for $10.00 a plate.