Listen to Underwater March / He's a Pirate (From "Pirates Of The Caribbean") online. Underwater March / He's a Pirate (From "Pirates Of The Caribbean") is an English language song and is sung by Medlz. Underwater March / He's a Pirate (From "Pirates Of The Caribbean"), from the album Bekannt aus Film und Fernsehen, was released in the year 2014. The duration of the song is 5:09. Download English songs online from JioSaavn.