The builders of the 46,000-sq-ft University of California, San Diego Conrad Prebys Music Center had a difficult challenge. How would they build a music center that would allow for concerts, but also minimize the noise in classrooms and offices throughout the building? Related Links: Best of California 2009 Constructed of architectural cast-in-place concrete and an exterior curtain wall system, the $46-million music center contains offices, classrooms, student recording suites, computer music labs, practice rooms, a flexible black box theatre, 150-seat lecture/recital hall, ensemble hall and a 400-seat concert hall. Because of the complexity of the project, the team decided early