Conversation so far:
How did the Stone Poneys get Stone Poneys's start?
Linda Ronstadt decided to move to the Los Angeles area in December 1964 to join Bobby Kimmel and form a band.
Who were the original band members of the Stone Poneys?
Linda Ronstadt.

Question: Did anyone join Linda Ronstadt in the band?
Self-contained rewrite: Did anyone join Linda Ronstadt in the Stone Poneys?