Producer: Andrew Watt - Artist: Elton John - Artist: Britney Spears - Producer: Cirkut - Recording Engineer: Paul Lamalfa - Mixer: Serban Ghenea - Assistant Mixer: Bryce Bordone - Vocals: Elton John - Vocals: Britney Spears - Piano: Elton John - Keyboards: Elton John - Keyboards: Andrew Watt - Guitar: Andrew Watt - Bass Guitar: Andrew Watt - Drums: Andrew Watt - Keyboards: Cirkut - Programming: Cirkut - Mastering Engineer: Randy Merrill - Composer/Author: Elton John