Conversation so far:
What is a librettist?
librettists managed to produce a libretto.
What is a libretto?
operas.
How was Rameau's relation with his librettists?
Rameau rarely worked with the same librettist twice.
Why didn't he work with the same librettists twice?
He was highly demanding and bad-tempered, unable to maintain longstanding partnerships with his librettists.
Were any exceptions noted in the article?
Louis de Cahusac.
Why was de Cahusac an exception?
collaborated with him on several operas.
Were any of their collaborations listed in the article?
Les fetes de l'Hymen et de l'Amour (1747), Zais (1748), Nais (1749), Zoroastre (1749; revised 1756).
What other librettists did he work with?
Voltaire.
What did he work on with Voltaire?
the Samson project.
What was the Samson project?
came to nothing.

Question: Why did the Samson project come to nothing?
Self-contained rewrite: Why did the Samson project come to nothing?