Producer: Ilya - Artist: Sam Smith - Producer: Cirkut - Artist: Madonna - Producer: Omer Fedi - Producer: Ryan Tedder - Producer: Jimmy Napes - Producer: Sam Smith - Engineer: Ilya Salmanzadeh - Engineer: Sam Holland - Engineer: Jeremy Lertola - Recording Engineer: Mattias Bylund - Vocals: Sam Smith - Vocals: Madonna - Drums: Ilya - Drums: Cirkut - Bass: Cirkut - Bass: Ilya - Keyboards: Ilya - Keyboards: Cirkut - Keyboards: Omer Fedi - Guitar: Omer Fedi - Background Vocalist: Ryan Tedder - Background Vocalist: Ilya - Background Vocalist: Sam Smith - Background Vocalist: Madonna - String Arranger: Mattias Bylund - Violin: Mattias Johansson - Violin: Hanna Helgegren - Violin: Erik Arvinder - Cello: David Bukovinszky - Oboe: Teresia Alm Bylund - English Horn: Helena Stjernstrom - Synthesizer: Mattias Bylund - Mixer: Serban Ghenea - Assistant Mixer: Bryce Bordone - Mastering Engineer: Randy Merrill - Composer/Author: Sam Smith