Plagiarism, Copyright laws

Using the tune or key of a popular song such as Under Pressure and Ice Ice baby is

Quoting a few lines from a song in a music review is considered

Plagiarism is using someone else's work as your own

______________ a form of protection of "original works of authorship.

Jesse Braham sued Swift for alleged plagiarism of his 2013 song “Haters Gonna Hate.” is