Listen to The Pirate That Should Not Be (From "Pirates of the Caribbean 4: On Stranger Tides") online. The Pirate That Should Not Be (From "Pirates of the Caribbean 4: On Stranger Tides") is an English language song and is sung by Movie Sounds Unlimited. The Pirate That Should Not Be (From "Pirates of the Caribbean 4: On Stranger Tides"), from the album Caribbean Pirates 2017 (Music Soundtrack Inspired by the Movie Franchise), was released in the year 2017. The duration of the song is 3:53. Download English songs online from JioSaavn.