One that comes to mind is Lee Konitz/Bill Russo -- "An Image" (Verve, 1959).
Konitz with a string quartet and rhythm. It just works; thoughtful, beautifully played, inventive music, no pleading for extra credit. And Russo knew what he was doing.
"An Image" is indeed a good one.
Also, "Jazz Abstractions," often credited to John Lewis, but more of a Gunther Schuller date. It includes Ornette Coleman and Eric Dolphy for part of it.