Conversation so far:
How did The Beatles develop a musical style?
The Beatles continued to absorb influences long after their initial success, often finding new musical and lyrical avenues by listening to their contemporaries.
Did The Beatles credit any musical influences to the band's style?
The band's earliest influences include Elvis Presley, Carl Perkins, Little Richard and Chuck Berry.

Question: When did they begin making music?
Self-contained rewrite: When did The Beatles begin making music?