premise: Byron Howard sang in the film Zootopia.
hypothesis: Byron Howard . He is best known as the co-director of Bolt ( 2008 ) , Tangled ( 2010 ) , and Zootopia ( 2016 ) , and a supervising animator on Lilo & Stitch ( 2002 ) and Brother Bear ( 2003 ) . He was nominated for a Golden Globe Award for Tangled and won for Zootopia . Zootopia ( known as Zootropolis in some territories ) is a 2016 American 3D computer-animated buddy comedy-adventure film produced by Walt Disney Animation Studios and released by Walt Disney Pictures .