JUICY LUCY -HQ/GATEFOLD-If any one performance can be said to encapsulate all that Juicy Lucy portended, as their career got underway with the new decade of the '70s, it was "Who Do You Love?" The band's first single, spinning off their debut album, it was as fast and mean and dirty as any record could have been, a breakneck tour through the bayou swamps and dirt track roads of the American South, powered by a guitar to make your fingers bleed. And it gave the band a U. K.