Analyzing Longitudinal Data on Singing Voice Parameters of Boys and Girls Aged 8 to 12.5 and Possible Effects of a Music Pedagogical Intervention.

Objective: Controlled and randomized study to analyze longitudinal voice data of boys and girls aged 8-12.5, to describe their physiological development and to evaluate the influence of a one-year music pedagogical interventional program focused on the singing voice.

Methods: Singing voice profiles of 116 children (52 boys, 64 girls) aged 8-12.