Characters played by Matthew Morrison
Self - Host & Performer
Characters played by Emma Bunton
Self - Host & Performer
Characters played by Jesse Palmer
Self - Co-Host
Characters played by Ally Brooke
Self - Performer
Characters played by MUSYCA Children's Choir
Themselves - Performers
Characters played by Andy Grammer
Self - Performer
Characters played by Ingrid Michaelson
Self - Performer
Characters played by Pentatonix
Themselves - Performers
Characters played by Portugal. The Man
Themselves - Performers
Characters played by Shaggy
Self - Performer
Characters played by Sting
Self - Performer
Characters played by Lindsey Stirling
Self - Performer