Answer:
The answer is pitches and timing
Explanation:
Stephen Sondheim was the innovator that made songs much more complex by writing lyrics and music filled with inner tensions.
<h3>Who was Stephen Sondheim?</h3>
This man was a composer and a lyrisct from the United States of America. He was born in the year 1930 and died in 2021.
He is known for the dramatic theatres that he created which was used in a lot of broad way plays.
Raed more on music here: brainly.com/question/20410080
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I believe it's a hue but I'm not 100% sure. Sorry.
