Kaleidoscope Heart Written by Sara Bareilles Originally performed by Sara Bareilles

Come Cover Me Performed in the style of Nightwish

We Are Young Written by Jack Antonoff, Jeff Bhasker, Andrew Dost, and Nathaniel Ruess Originally performed by fun. feat. Janelle Monáe

Tonight Performed in the style of West Side Story

Written by Adele Adkins and Ryan Tedder Originally performed by Adele

Written by Adam Lambert and Pharrell Williams Originally performed by Adam Lambert

Written by Frank Wildhorn and Robin Lerner Originally performed by Tears of Heaven (musical)

Written by Henry Walter, Lukasz Gottwald, Ari Levine, Philip Lawrence and Peter Hernandez Originally performed by Adam Lambert

Written by Sharon den Adel and Robert Westerholt Originally performed by Within Temptation

Written by Daniel Gibson, Robert Westerholt, Sharon Den Adel Originally performed by Within Temptation