PT - JOURNAL ARTICLE AU - Holubec, Pavel TI - DP - 2020 Sep 30 TA - Aura musica PG - 18--23 VI - 12 IP - 1 IS - 18054056 AB - This contribution analyzes the choral score Jaakobin pojat from the point of view of the artist, choirmaster, especially with regard to less traditional ways of composition and interpretation. It also deals with the theoretical concepts of atonality, aleatoricism, cluster, which the author, Pekka Kostianen, uses in his composition.