The key to the original Sing and the sequel as well is the star-studded cast they brought along for a music-filled movie ... the singing teenage gorilla who wanted to be a singer and a pianist.

As Grande starts to sing, the live sketch of Johnny (a teenage gorilla from the movie) appears alongside her. In Grande's words, Johnny has "a Stevie Wonder swag." Towards the end of the video ...

gorilla) in the Wild" we learn that these great apes, like a few others, sing and hum while they're feeding. The abstract for their paper reads as follows: Many nonhuman primates produce food ...