Among the world’s Olympic-sized choral works — in the class of “Ode to Joy” ending Beethoven’s Ninth Symphony — are the 1837 Berlioz  Requiem and the Finale of Boito’s 1868 opera “Mefistofele.”Both are on the program of a massive concert in Davies Hall  Sunday featuring the Redwood Symphony Orchestra, dozens of singers from Finger Lakes Choral Festival and the Rochester Oratorio Society in New York, and 140 vocalists from 35 Bay Area choral groups. Read More