Conversation so far:
What was special about Mal Waldron's artistry?
Before his breakdown, Mal Waldron played in a lyrical way, but after that he couldn't find that lyricism inside himself and became a very angular player.
What instrument did Mal Wauldron play?
Mal Waldron played the piano.
What was lyrical about Mal Waldron's playing?
When he first played with Charles Mingus, Mal Waldron was a follower of Horace Silver's style, adding chords and passing notes, as well as Bud Powell's, which contained many runs.

Question: Are there any other interesting aspects about this article?
Self-contained rewrite: Are there any other interesting aspects about the Mal Waldron article?