Students with the North Ridge Elementary School in Raleigh, like Alvaro Gomez, center, open the dress rehearsal for the 30th Annual Pieces of Gold performance at the Memorial Auditorium in the Duke Energy Center for Performing Arts in Raleigh, N.C. on Tuesday, March 12, 2013. They sang and danced to "Another Openin', Another Show." The event, which is open to the public on Wednesday, March 13 at 7pm, showcases 28 Wake County Public School System schools and involves about 900 students both on stage and behind the scenes. COREY LOWENSTEIN — clowenst@newsobserver.com Buy Photo