Annie Morrier entered Conservatoire de musique de Chicoutimi at age 5. In 1996, she moved to Quebec City to study under François Paradis. During her studies, she played with Orchestre Réseau des Conservatoires, the National Youth Orchestra of Canada, and the Jeunesses Musicales World Orchestra, performing in Europe, the U.S., and across Canada. She honed her craft at the Domaine Forget summer academy, studying under renowned teachers such as Gérard Caussé and Bruno Giuranna. In 2001, she performed as a soloist with Orchestre des jeunes du Conservatoire and Orchestre symphonique de Québec. That same year, she graduated from the Conservatory with high distinction.
Annie Morrier has been a member of Orchestre symphonique de Québec, Orchestre symphonique du Saguenay–Lac-Saint-Jean, Quatuor Cartier, and contemporary music ensemble Erreur de Type 27. In addition to classical and contemporary music, Annie also performs traditional and Latin American music. Since 2005, she has been a permanent member of the Les Violons du Roy chamber orchestra. In 2015, she joined three other Quebec City area musicians and channeled her lifelong passion for chamber music into the group Quatuor Crema.