Jessica Wheeler, AliveTampaBay music columnist: Before the Beatles arrived in America, there they were, snapping their fingers, shuffling their impeccably shod feet, sha-la-la-ing and doo-langing all over the airwaves. They were American girl groups, their chiffon dresses and bouffant hairdos masking their young ages. And their hits dominated the supposed fallow ground of early 1960s pop.
