Oriola-Requena, S., D. Calderón-Garrido, and J. Gustems-Carnicer. “Keys for the Participation of Adolescents in Youth Musical Groups: The Case of Choirs in Catalonia and Bands in Valencia”. Per Musi, no. 41, July 2021, pp. 1-15, doi:10.35699/2317-6377.2021.29206.