THE SING-AND-SWING HISTORICAL OPERA, IN DOUBLE-BILL
This operatic double-bill ended in rousing fashion, with the closing “Balls” improbably linkinga historic tennis match with singing in technological wizardry beyond anything we’ve encountered before, even on major stages. In “Balls,” imagine reenacting the historic 1973 women’s lib tennis victory of Billie Jean King (without tennis balls) over the outspoken sexist Bobby Riggs, the single most publicized event of women’s sports coming of age, with 90 million viewing it worldwide. This required vintage televideo images, a videographer along the…