Knowledge: The desire for louder and more versatile guitars was how the idea of an electric guitar came about. Vinyl records are famed for their beautiful album art liner notes.

Conversation:
Are you familiar with phonograph records? I've never heard of them.
Yes, I have heard of them. They are a medium to store analog sound which is known as Gramophone in British english, did you know about that ?
I had no idea. What else do you know about them?

Response: Vinyl records often come with elaborate album art and liner notes.