© Getty HOLLYWOOD, CALIFORNIA - DECEMBER 09: Dwayne Johnson attends the premiere of Sony Pictures' "Jumanji: The Next Level" on December 09, 2019 in Hollywood, California. (Photo by Axelle/Bauer-Griffin/FilmMagic) The Rock has sung a Moana song to his young daughter during the coronavirus lockdown, much to the delight of his army of fans.