Question: What Russian composer and pianist was friends with Canadian composer, pianist, writer on music, and music educator Alfred La Liberté?
Sentence (from "Dominique Ducharme (musician)"): He studied with Paul Letondal and Charles Wugk Sabatier in Canada before studying for 5 years at the Conservatoire de Paris in France with Antoine Marmontel and François Bazin.
Relevant evidence: No