Conversation so far:
Can you provide me with a little more information on the instrumental music?
Rameau is one of the two masters of the French school of harpsichord music.
Was Rameau successful as a master of the French school?
Rameau's three collections appeared in 1706, 1724 and 1726 or 1727.
Can you tell me how many people were apart of the French school?
Couperin, Rameau is one of the two masters of the French school.
What are some other important aspects of it?
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Rameau published his first book.
Was his first book successful?
CANNOTANSWER.

Question: What types of instruments were used?
Self-contained rewrite: What types of instruments were used by Rameau?