The cause was heart failure, said his daughter, Kim Taylor-Thompson.

Dr. Taylor, as he preferred to be called (he earned a doctorate in music education from the University of Massachusetts, Amherst in 1975), was a living refutation of the stereotype of jazz musicians as unschooled, unsophisticated and inarticulate, an image that was prevalent when he began his career in the 1940s, and that he did as much as any other musician to erase.

Hat tip to Jeff Meyerson.