Conversation so far:
what was special about the artistry of mal waldron?
Waldron played in a lyrical way.
what did he play?
CANNOTANSWER.
what was lyrical about his playing?
He used thick chords in the lower bass register; his emphasis on weight, texture and frequent repetition.
Are there any other interesting aspects about this article?
Waldron was described by critic and musician Alyn Shipton as "one of the most sublime accompanists in jazz".

Question: who else did he work with?
Self-contained rewrite: who else worked along with Mal Waldron ?