Answer:
Chopin's first étude focuses on a rippling chord progression. The piece is composed in the same ternary (or A-B-A) form as most of his Op. 10 études, introducing two ideas before coming back to repeat the first.
Answer: Lin-Manuel Miranda
Explanation: he is an American composer and lyricist, who is extensively known for writing the music and lyrics for the hit Broadway and West End musicals ‘In the Heights’ and ‘Hamilton’. He is also known for co-composing ‘Bring It On: The Musical’ with musician Tom Kitt, as well as creating the fourteen-minute mini-musical ’21 Chump Street’.