“Florence ‘Floss’ Schumacher, a doyenne of Orange County’s social and arts scene for nearly three decades who was instrumental in establishing the Orange County Performing Arts Center and several performing arts organizations, has died. … She played a key role in the beginnings of resident companies at the performing arts center — the Pacific Symphony, the Pacific Chorale, the Philharmonic Society of Orange County and the now-defunct Opera Pacific, which folded last year after 22 seasons.”