Conversation so far:
What was Charlie Haden's musical style?
Charlie Haden was known for his warm tone and subtle vibrato on the double bass
Who or what is Charles Haden's musical style influenced by?
Charlie Haden's approach to the bass stemmed from his belief that the bassist should move from an accompanying role to a more direct role in group improvisation.
What genre did Charlie Haden play?
Charlie Haden was an American jazz double bass player
Is there anything significant about Charlie Haden's musical style?
Charlie Haden revolutionized the harmonic concept of bass playing in jazz.

Question: Was his musical style used by other artists?
Self-contained rewrite: Was Charlie Haden's musical style used by other artists?