Conversation so far:
When was George Martin born?
George Martin was born in Highbury, London.
What year was George Martin born?
George Martin was born January 3, 1926.
Who were George Martin's parents?
George Martin's parents are Henry and Betha Beatrice Martin.
When did George Martin start liking music?
When George Martin was six, his family acquired a piano that sparked his interest in music.

Question: what other instruments did he play
Self-contained rewrite: What other instruments did George Martin play besides the piano?