This week marks the premiere of a new concerto by Vivian Fung for the harp. Starting in Alabama this Thursday and later this spring in Germany, NY, DC, and in the fall, California, harpist Bridget Kibbey unveils the piece for harp, percussion, and strings. “It was tricky,” says Fung. “When we were deciding on the instrumentation, we originally thought it was going to be for the entire orchestra – but the harp is like a guitar, or other instruments that have balance issues, if you are not careful [with the orchestration]. So even with the percussion, I have to choose