BISCHIN, M.-R. THE CHANGING OF THE AESTHETIC BALLET’S SPHERE IN THE INTERWAR PERIOD. BETWEEN THE DECONSTRUCTION OF OSKAR SCHLEMMER’S BALLET AND THE IDEA OF “GEBRAUCHMUSIK” OF PAUL HINDEMITH – AN IMAGISTIC ALLEY FROM OSKAR SCHLEMMER TO CÉLINE DION [1922-2019]. Studia UBB Musica 2022, 67, 71-97.