Complex sentence: Ruth Crawford's music education began at age 11 with piano lessons from her mother, and then included study with Madame Valborg Collett, who was a student of Agathe Grøndahl, and continued at the American Conservatory of Music in Chicago with Heniot Levy and Louise Robyn.
Split into simpler sentences: Ruth Crawford's music education began at age 11 with piano lessons from her mother. Later, she continued at the American Conservatory of Music in Chicago with Heniot Levy and Louise Robyn.