[2] Born Albertine Rosalie Odile Labrecque in Montreal, Morin-Labrecque was a child prodigy and began her musical training at the Académie de musique du Québec (AMQ) at the age of five.
During the first two decades of the century she regularly gave recital tours in both Canada and the United States, and actively studied harmony and music composition.
[2] In 1922 Morin-Labrecque established the chamber ensemble Trio de Montréal with her sister, violinist Jeanne Labrecque, and cellist Yvette Lamontagne.
From 1922 to 1951 she served on the faculty of the Université de Montréal (UM) where she taught music analysis, pedagogy, piano and voice.
During the 1940s she published several short essays and monographs on composers like Bach, Beethoven, Chopin, Gounod, Liszt, Massenet, Mozart, Schubert, Verdi, and Wagner among others.