Question:  Psalmus Hungaricus was commissioned by one of the founders of which musical discipline?
Sentence (from "Psalmus Hungaricus (Kodály)"): The Psalmus was commissioned to celebrate the fiftieth anniversary of the unification of Buda and Pest, and Óbuda for a gala performance on 19 November 1923 along with the "Dance Suite" by Béla Bartók, and the "Festival Overture" by Ernő Dohnányi, who conducted the concert.
Relevant evidence: Yes