Provided to YouTube by Universal Music Group Smile · Katy Perry Smile ℗ 2020 Capitol Records, LLC Released on: 2020-07-10 Producer: Josh Abraham Producer: Oligee Producer, Additional Producer: G Koop Studio Personnel, Mix Engineer: Chris Galland Studio Personnel, Mixer: Manny Marroquin Studio Personnel, Assistant Mixer: Robin Florent Studio Personnel, Assistant Mixer: Scott Desmarais Associated Performer, Vocals: Katy Perry Associated Performer, Trumpet: Dave Richards Associated Performer, Background Vocalist: Kamaria Anita Ousley Associated Performer, Saxophone: Lincoln Adler A & R: Chris Anokute A & R: Lauren Glucksman Studio Personnel, Engineer: Louie Gomez Studio Personnel, Engineer: Blake Harden Studio Personnel, Engineer: CJ Mixed It Studio Personnel, Engineer: Darth “Denver” Moon Studio Personnel, Mastering Engineer: Dave Kutch Composer Lyricist: Josh Abraham Composer Lyricist: Anthony Criss Composer Lyricist: Benny Golson Composer Lyricist: Brittany "Starrah" Hazzard Composer Lyricist: Ferras Alqaisi Composer Lyricist: Katheryn Hudson Composer Lyricist: Kier Gist Composer Lyricist: Oliver Goldstein Composer Lyricist: Vincent Brown Auto-generated by YouTube.