Conversation so far:
What style of music did Haden prefer
Charlie Haden viewed jazz as the music of rebellion and felt it was his responsibility and mission to challenge the world through music.
Did Charlie Haden's musical style evolve over time?
Charlie Haden believed that all music originates from the same place, and because of this, he resisted the tendency to divide music into categories.

Question: What was important about his musical style
Self-contained rewrite: What was important about Charlie Haden's musical style