Conversation so far:
What was the first riff?
Play Girl.
who whote that?
Smiley Lewis's.
what other song?
Country Boy.
Who was that by?
Jesse "Big 'Tiny'" Kennedy.
What year was this?
1955.
What was the others year?
March 1953.
who was the next to do this?
melody as "Hound Dog" called "(You Ain't Nuttin' But a) Juicehead.
Who owened this?
Memphis distributorship owned by Sam Phillips' brother, Tom.

Question: What happened next?
Self-contained rewrite: What happened after "Hound Dog"?