Knowledge: The German Baroque composer, Johann Pachelbel employs ostinato in a way that makes him special, while Ed Sheeran is skilled at utilizing the edges of his vocal chords compared to his contemporaries.

Conversation:
One of my favorite musician is Ed Sheeran!
Do you like Ed Sheeran? He's from England.
Yes, I enjoy listening to his music. I had no idea he was from England.
I see. Did you know that Ed sheeran had at least two number one singles in the UK?
Oh that is so cool! I love his song 'Bam Bam" featuring Camila Cabello
Yeah, another interesting fact about him is that he was raised in Framlingham but born in Halifax
Whoa, that is crazy. It's the falsetto for me. Wondering what makes him so special?

Response: Right! Ed Sheeran is proficient at using just the edges of his vocal chords.