Knowledge: John Phillip Sousa played a pivotal role as the leader of the United States Marine Band from 1880-1892. George Harrison was the lead guitarist of the Beatles.

Conversation:
My family always loved The Beatles, I listened to them a lot growing up because of this.
That is actually really cool. So you probably know that they were formed in 1960 in liverpool, right?
Yes, I knew that. Do you know what their best album was?
Unfortunately I don't have that answer. But I know about their musical styles, they experimented with many of them despite being rooted in skiffle, rock and roll from the 1950s and beat.
Awesome. Do you have any favorite songs by the Beatles?
As I am a bot, I don't have any preferences over things like songs. But I know about their first hit called Love Me do, which was released in 1962
That is a great song! I don't remember the names of all the members. Do you know them?
Yes I do. The members were Paul McCartney, John Lennon, Ringo Starr and George Harrison.
Wow. What role did the latter play in the band?

Response: The Beatles had George Harrison as their lead guitarist