Complex sentence: Although destined like her father for the RCM, Imogen first spent a year studying composition with Herbert Howells and piano with Adine O'Neill, while otherwise occupying herself with EFDS activities.
Split into simpler sentences: Although destined like her father for the RCM, Imogen did not go there RCM immediately. She spent a year studying composition with Herbert Howells and piano with Adine O'Neill, while otherwise occupying herself with EFDS activities.