How does art of the heian period demonstrate japan's desire to be less culturally dependent on china?

Musical theatre people i need a song to sing at my "be more chill" auditioni'm a 16 year old girl, i'm an alto (messo-soprano on good days)i'm not going for anything huge, my main goal is to just be in the ensemble.forgot to mention, needs to be from a modern musical (one that came out in the past few years) in advance : )