Which jazz musician played bass as part of the modal jazz ensemble?

The musician who played bass as part of the modal jazz ensemble is Paul Chambers. He is best known for his innovative work in the genre, particularly during the late 1950s. Chambers was a prominent figure in the development of modal jazz, which emphasizes scales or modes rather than traditional chord progressions, allowing for greater improvisational freedom.

His collaborations, especially with influential artists like Miles Davis and John Coltrane, helped shape the sound of modal jazz. Paul Chambers' bass lines often provided a solid yet flexible foundation that encouraged the exploration characteristic of modal jazz, showcasing his ability to blend rhythmic and harmonic sophistication. This makes him a vital figure when discussing the ensembles that popularized modal jazz. The other musicians mentioned, while highly influential in jazz, did not primarily serve as bass players within the modal jazz genre.