Rita is from Montreal, and was attending lots of the Stones' Canadian shows, and Keith went out of his way to make sure she had transportation
(which doesn't mean Bill never gave her a ticket - maybe he did).
she's of course the one who famously inspired the judge in Keith's case to come up with the sentence he came up with.
Keith still regularly dedicates songs to her when he plays Montreal. hail hail to Rita, for sure.
"What do you want - what?!"
- Keith