Conversation so far:
what can you tell me about Five parts?
Five-piece bands have existed in rock music since the development of the genre.
what does a five piece band entail?
examples of the common vocalist, lead guitar, rhythm guitar, bass, and drums.
what are other examples?
Alternatives include a keyboardist, guitarist, drummer, bassist, and saxophonist.

Question: are there some more examples?
Self-contained rewrite: Besides keyboardist, guitarist, drummer, bassist and saxophonist, are there some more examples of rock musical ensembles, Five parts?