You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.

Category: CANADIAN BAL-EH? 
Clue: Alberta Ballet's "The Fiddle and the Drum" is set to the songs of this female singer born in Alberta
joni mitchell

Category: THE VATICAN ONLINE 
Clue: The bios of these on the site begin with Crispin of Viterbo, the first one created by John Paul II
saints

Category: FIRST LADIES 
Clue: When she became an actress, she was following in the footsteps of her mother, Edith Luckett

nancy reagan