Original sentence: When youths themselves, Bach, Mozart and Beethoven had been still significantly immersed in discipleship to earlier masters, whereas the juvenile Chopin was perceived by his peers and audiences to be blazing a trail toward the coming age
Edited sentence: When youths themselves, Bach, Mozart and Beethoven had been still in thrall to earlier masters, whereas the juvenile Chopin was perceived by his peers and audiences to be blazing a new trail toward the coming age