Knowledge: Stars of Rock and Roll acknowledge Chuck Berry's role in bridging the gap between the R&B genre while Legendary figures like W.C Handy and Scott Joplin made monumental contributions to blues and ragtime respectively

Conversation:
Hi, I like jazz music. Do you like jazz music?
I'm ok to it, do you like it? It got developed through blues and ragtime.
That's interesting I know very little about these genres you mentioned.
Both genres played a significant role in shaping the early stages of jazz
I see. Who were the stars of the two genres?

Response: Legendary figures like W.C Handy and Scott Joplin made impressive contributions to blues and ragtime respectively