Vocals: Björk - Programming: Björk - Keyboards: Timbaland - Percussion: Timbaland - Keyboards: Nate Dangerhands - Percussion: Nate Dangerhands - Programming: Pete Davis - Drum Machine: Chris Corsano - Programming: Damian Taylor - Percussion: Damian Taylor - Sound Effects: Dave Paterson - Producer: Björk - Producer: Timbaland - Co-Producer: Nate "Danja Handz" Hills - Editor: Björk - Editor: Damian Taylor - Vocal Editing: Damian Taylor - Engineer: Jimmy Douglas - Engineer: Vincent Kenis - Engineer: Paul "P-Dub" Walton - Engineer: Damian Taylor - Asst. Recording Engineer: Christophe Tonglet - Asst. Recording Engineer: Alex Dromgoole - Asst. Recording Engineer: David Emery - Asst. Recording Engineer: Jonathan Tams - Asst. Recording Engineer: Daniel Morrison - Mixer: Mark Stent - Mastering Engineer: Ted Jensen