In 1917 Holst's ten-year-old daughter Imogen started at the school; soon, under Joseph's guidance the young pupil was composing her own music.
En 1917 a filla de 10 anos de Holst, Imogen, comezou na escola; e pronto, baixo a guía de Joseph, a nova alumna estaba a compoñer a súa propia música.