Before Horner played in countless nightclubs and was made over by fashion icon Jean Paul Gaultier, “her considerable legend was rooted in the years she spent as a distinctive part of the grand caravan that accompanies the Tour de France, the sprawling French bicycle race. For more than a decade in the 1950s and ’60s she played for the crowds from atop one vehicle or another as the caravan made its way along the tour route ahead of the cyclists.”