The Trudeau's, Canada's Royalty, Stand proud for thee/they "The fuse was lit with Margaret’s unheralded visit to the first Stones’ concert on March 4. The tinderbox went up when she repeated it the following night. Both times she arrived with lead singer Mick Jagger and guitarist Ron Wood: she could have attracted more publicity only if she’d arrived on the arm of Keith Richards, the group’s lead guitarist and composer, who a couple of days earlier had been busted by the RCMP with two charges of possession (heroin and cocaine), and one of intent to traffic (heroin)."