WHEN the pioneering experimental rock group The United States Of America split acrimoniously in the spring of 1968, they had only been going for a year – but such was their impact, those 12 months would come to define the life of the band’s singer Dorothy Moskowitz. “We probably would have lasted another two or three years,” says Moskowitz, a sharp and sassy 82, over Zoom from her home in Piedmont, California. “There was new music coming and we knew how to put it out there. We’d all gotten more charismatic on stage as well. When we first started we were quite stiff – artsyfartsy students from UCLA – but we’d loosened up a lot.”