BĀRDIŅŠ, Sandis; MARNAUZA, Māra. Improvement of the action of lips and embouchure in the play of brass instruments. ARTS AND MUSIC IN CULTURAL DISCOURSE. Proceedings of the International Scientific and Practical Conference, Rezekne, Latvia, p. 99–106, 2014. DOI: 10.17770/amcd2014.1325. Disponível em: https://journals.ru.lv/index.php/AMCD/article/view/1325.. Acesso em: 20 jun. 2024.