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Jazz musician Gerald Wilson died on Monday after a battle with pneumonia. He was 96.

Wilson’s son, jazz guitarist Anthony Wilson, confirmed the news to the Los Angeles Times on Monday. He had been in declining health before catching pneumonia two weeks ago, according to The Times.

As a composer, band leader and trumpeter, Wilson’s jazz career spanned from the 1930s swing era to today. He was perhaps most widely known for leading the Gerald Wilson Orchestra, and doing it in a rather poetic way. He became synonymous with his almost dancelike conducting style, which he explained in an interview with NPR: “I move. I choreograph the music as I conduct. You see, I point it out, everything you’re to listen to.”