Bremen: From the World of Zootopia

Bremen: From the World of Zootopia (mostly shortened to just Bremen) is an upcoming American 3D computer-animated musical comedy film produced by Walt Disney Animation Studios and released by Walt Disney Pictures. The film is a loose spin-off of Zootopia, directed by Steven Clay Hunter and Trent Correy and stars the voices of Zac Efron, Zayn Malik, Demi Lovato, Donald Glover, Michael C. Hall, Leslie Odom Jr., Allison Tolman, Shakira and Alan Tudyk, the latter two of whom reprise their roles from the previous film. The film focuses on four anthropomorphic "domestic" animals from the boonies of Bremen, who leave for Zootopia to become a rock band, naming themselves after their hometown.

Voice cast
Additionally, Ginnifer Goodwin and Jason Bateman reprise their roles as Judy Hopps and Nick Wilde, respectively in cameo roles.
 * Zac Efron as Hunter Barks, a Labrador Retriever who wants to form a band and make it big. He wishes to make something of himself and not make the same mistakes his father did. He plays the keys and is lead vocals in Bremen.
 * Zayn Malik as Garret Coops, a Croad Langshan rooster who is sarcastic. He is a lot more down to earth than Hunter and is the one who helps bring Hunter around to his senses. He plays lead guitar and is back up vocals in Bremen.
 * Demi Lovato as Cleo Kadenza, a Van Cat who is excitable. She likes hanging with a group and showing off her talent and has strong affection towards Hunter. She plays the drums and is back up vocals in Bremen.
 * Donald Glover as Oscar Hoofman, a Cotentin donkey who is lethargic. He has perfect pitch and is wanting to look for friends after his previous group abandoned him. He plays bass and is back up vocals in Bremen.
 * Michael C. Hall as Charles Razor, a rare Black Tiger who is an executive at Zootone Records who has been running illegal dealings to feed the underworld of Zootopia.
 * Shakira as Gazelle, a Thomson's gazelle who is a famous pop star and helps the band Bremen when they arrive in Zootopia. Shakira reprises her role from Zootopia.
 * Leslie Odom Jr. as Louie, an African lion that runs a food stand and becomes a friendly ally to Bremen.
 * Allison Tolman as Officer Swinton, a pig police officer that Bremen keeps running into. She is a well-intentioned single mom-to-be with a strong sense of justice. She first appeared unvoiced at the end of Zootopia.
 * Alan Tudyk as Duke Weaselton, a small-time least weasel crook who is also known for selling bootleg DVDs. Tudyk reprises his role from Zootopia.

Soundtrack
The film's soundtrack is primarily comprised of cover songs from various artists.