Conversation so far:
which composer was blacklisted during the mccarthy era for alleged communist activities course hero
Aaron Copland was investigated by the FBI and was included on an FBI list of 151 artists thought to have Communist associations and found himself blacklisted.
is the composer aaron copland still alive
Aaron Copland died December 2, 1990.
what kind of music did the composer aaron copland make
Aaron Copland produced ballets and orchestral works. He also produced music in many other genres, including chamber music, vocal works, opera and film scores.

Question: who influenced the composer
Self-contained rewrite: who influenced the composer aaron copland