Question: Wells Cathedral School is a co-educational independent school located in Wells, Somerset, England, the school is one of the five specialist musical schools for school-age children in the United Kingdom, includes which specialist music school for children, located in the town of Bushey, in which south location?
Sentence (from "Wells Cathedral School"): The principal, Elizabeth Cairncross, is a member of the Headmasters' Conference.
Relevant evidence: No