Written by Hikaru Utada Produced by Hikaru Utada and Nariaki Obukuro All Vocals: Hikaru Utada Keyboard and Programming: Hikaru Utada, Nariaki Obukuro Guitar: Ben Parker Saxophone: Soweto Kinch Percussion: Will Fry Recorded by Steve Fitzmaurice at Abbey Road Studio Additional Engineering by Darren Heelis Assisted by Matt Jones Vocals Recorded by HIkaru Utada at Pierce Room, assisted by Marek Deml V