Behind the doors of the new KEDT building and through the glass window of the broadcasting room, the Del Mar College low brass ensemble played beautiful music that escaped through any radio tuned to 90.3 FM. Day 3 in KEDT’s grand opening festivities involved students from the DMC music department with Donald Pinson, assistant professor of trombone and low brass. The experience was different for students who are accustomed to a concert setting. Photos by Veronica Barrera/ Foghorn People celebrate the grand opening of the new KEDT building at Del Mar College’s Center for Economic Development. “It feels amazing,” said…