By the time Lawrence and Lawrencine Collins were 11 and 13, respectively, they were already tearing it up on country package shows, recording for Columbia Records, and performing on national TV almost weekly. Older sister Lorrie held up the cowgirl fringe-rustling-against-nylons teenage sensuality department; kid brother Larry was a bundle of hyperkinetic energy, bopping all over the place while laying down exciting, twangy guitar breaks learned firsthand from the King of the Double-neck Mosrite, Joe Maphis. As time went on, the siblings' recordings veered from mawkish brother...