Confidentiality Clause, Email Confidentiality Clause In A Work For Hire.?

Confidentiality clause in a work for hire.? - confidentiality clause, email

Writing a book in the lease for the sleeve. this is the right one?
Then I moved into an option to sue if an artist fails this clause?

8. In any case, under any circumstances unless required by law by the artist to all the information about this contract dismissed. This includes, but is not limited to ideas in the history of the customer.