Animated guy climbs hotel makes music

A koala named Buster recruits his best friend to help him drum up business for his theater by hosting a singing competition.

When a volatile young street tough with a talent for singing and dancing is tapped by the high school music teacher to lead the upcoming senior "Sing," he is forced to come to terms with his defiant self-destructive lifestyle and his growing attraction to his co-star.

Buster and his new cast now have their sights set on debuting a new show at the Crystal Tower Theater in glamorous Redshore City. But with no connections, he and his singers must sneak into the Crystal Entertainment offices, run by the ruthless wolf mogul Jimmy Crystal, where the gang pitches the ridiculous idea of casting the lion rock legend Clay Calloway in their show. Buster must embark on a quest to find the now-isolated Clay and persuade him to return to the stage.

Brash hoodlum Tom Connors enters Sing Sing cocksure of himself and disrespectful toward authority, but his tough but compassionate warden changes him.

Go behind the curtains as Kermit the Frog and his muppet friends struggle to put on a weekly variety show.

Music, comedy, and a whole lot of chaos is bound to ensue when The Muppets once again take the stage of the original Muppet Theatre with their very special guest, Sabrina Carpenter!