Comments on: The social phenomenon of "Christmas Balls, " the song of the adolescent patients of the Youth Project. Issue 5 (October 2019) - Signoroni, Stefano; Veneroni, Laura; Gaggiotti, Paola; Clerici, Carlo Alfredo; Casanova, Michela; Proserpio, Tullio; Silva, Matteo; Massimino, Maura; Ferrari, Andrea