Complex sentence: Dreaming of a career as a virtuoso, she entered the Conservatoire de Paris in 1924 and became a piano student of Marguerite Long and took classes from Georges Caussade, Noël Gallon, Jean Roger-Ducasse and Paul Dukas.
Split into simpler sentences: Dreaming of a career as a virtuoso, she entered the Conservatoire de Paris in 1924. She became a piano student of Marguerite Long and took classes from Georges Caussade, Noël Gallon, Jean Roger-Ducasse and Paul Dukas.