In this endearing novel, there are two voices. One of that of Bef, which tells of a personal path many people who work with special needs children will relate to. The other is of Mara, who speaks with the power and beauty of an unknown instrument. You just must learn to listen. En esta entraable novela hay dos voces.Una esla de Bef, que narra un camino personal que reconocern todas las personas cercanas a un nio con capacidades diferentes. La otra es la de Mara, que habla con la potencia y la belleza de un instrumento musical desconocido. Slo hay que aprender a escucharla.