Conversation so far:
What were The Angels doing in the 1970s?
The folk band gigged at local university campuses and cafes.
Who were the members of the band at that point?
John Brewster on guitar, banjo, harp, backing vocals and washboard, and his brother Rick.

Question: Besides Bewster, who else?
Self-contained rewrite: Besides Bewster, who else was on The Angels?