Conversation so far:
What was the Beatles' musical style all about?
The Beatles embraced 1950s rock and roll and helped pioneer the Merseybeat genre, and their repertoire ultimately expanded to include a broad variety of pop music
Who were the members of The Beatles?
Beatles band members included:John LennonPaul McCartneyGeorge HarrisonRingo Starr

Question: Who else were a part of the band ?
Self-contained rewrite: Who else were a part of The Beatles besides the orginal members?