The sisters enjoyed a resurgence in the 1950s when they were booked at the FlamingoHotel in LasVegas, which led to television appearances and more recording.
The taxi exploded into flames, killing Boldon and a female passenger, as four other vehicles crashed like pinballs at an intersection overlooked by some of LasVegas' most famous hotel-casinos: Bellagio, Caesars Palace, Bally's and the Flamingo.