Artist: Kanye West - Featuring: T-Pain - Producer: Toomp - Additional Producer: Mike Dean - Drum Programmer: Timbaland - Recording Engineer: Andrew Dawson - Recording Engineer: Anthony Kilhoffer - Recording Engineer: Paul Sheehy - Mix Engineer: Mike Dean - Mix Engineer: Andrew Dawson - Asst. Recording Engineer: Bram Tobey - Asst. Recording Engineer: Jason Agel - Asst. Recording Engineer: Nate Hertweck - Asst. Recording Engineer: Anthony Palazzole - Asst. Recording Engineer: Andy Marcinkowski - Keyboards: Craig King - Piano: Omar Edwards - Synthesizer Programming: Omar Edwards - Violin: Eric Gorfain - Violin: Daphne Chen - Viola: Leah Katz - Viola: Alma Fernandez - Cello: Richard Dodd - Cello: John Krovoza - String Arranger: Mike Dean - Background Vocalist: John Legend - Background Vocalist: Ne-Yo

Artist: Kanye West - Producer: DJ Toomp - Featuring: Young Jeezy - Recording Engineer: Andrew Dawson - Mix Engineer: Andrew Dawson - Recording Engineer: Anthony Kilhoffer - Mix Engineer: Mike Dean - Assistant Mixer: Richard Reitz - Assistant Mixer: Bram Tobey - Assistant Mixer: Jason Agel - Assistant Mixer: Nate Hertweck - Assistant Mixer: Anthony Palazzole - Assistant Mixer: Andy Marcinkowski