Question: Who is this Finnish composer and violinist of the late Romantic and early-modern periods that the Scottish music critic and composer Cecil Gray published books on?
Sentence (from "Leevi Madetoja"): As central to Madetoja's legacy is his opera, "The Ostrobothnians" (1924), dubbed Finland's "national opera" following its successful premiere and, even today, a stalwart of its repertoire.
Relevant evidence: No