 Psalmus Hungaricus was commissioned by one of the founders of which musical discipline?
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. Béla Bartók:  Through his collection and analytical study of folk music, he was one of the founders of comparative musicology, which later became ethnomusicology.
i don't know