Maybe rock and roll was inevitable, with or without Chuck Berry. But the fact remains that he was the one who advanced the state of the art.
How do we select a "final" version of a work? Do we even need to?
Keep learning, keep trying, keep experimenting
"What is a song, exactly? It's something that starts as an idea and becomes more than that."
Patience and a long view will pay off
We sometimes wonder at the "source" of creativity...
Creative use of metaphors is another powerful technique in art