Producer – James LackeyWritten-By – Usher Raymond*

Backing Vocals – UsherBass – LaMarquis JeffersonFeaturing – LudacrisKeyboards [Additional] – L-RocMixed By – John FryeProducer [Vocals], Backing Vocals [Additional] – Sean GarrettProducer, Featuring, Backing Vocals [Additional] – Lil' JonRecorded By – Donnie Scantz, Mark VintenRecorded By [Assistant] – Sean Tallman

Guitar – E-BassGuitar, Recorded By, Mixed By – Ken LewisProducer – Just BlazeRecorded By – Blake Eisman*, Ryan West

Co-producer – Bryan Michael Cox*Harmonica – Stevie WonderMixed By – Phil TanMixed By [Assistant] – John Horesco IVProducer, Mixed By – Jermaine DupriRecorded By – Brian Frye, John Horesco IVRecorded By [Assistant] – Edward Quesada, Tadd Mingo

Co-producer – Bryan Michael Cox*Mixed By – Phil TanProducer, Mixed By – Jermaine DupriRecorded By – Brian FryeRecorded By [Assistant] – Tadd MingoRecorded By, Mixed By [Assistant] – John Horesco IV

Co-producer – Bryan Michael Cox*Mixed By – Phil TanMixed By [Assistant] – John Horesco IVProducer, Mixed By – Jermaine DupriRecorded By – Brian FryeRecorded By [Assistant] – Tadd Mingo

Mixed By – Jon SmeltzProducer [Vocals] – Jason Boyd, Ryan TobyProducer, Mixed By – Andre Harris & Vidal Davis*Recorded By – Vince DiLorenzo*

Producer – Aaron Spears, Arthur Strong, Juan Johnny Najera, Usher Raymond*, Valdez Brantley

Backing Vocals [Additional] – Faith EvansMixed By – Jon SmeltzProducer [Vocals] – Jason Boyd, Ryan TobyProducer, Mixed By – Andre Harris & Vidal Davis*Recorded By – Vince DiLorenzo*

Backing Vocals – Tony "Proof" Tolbert*, UsherBass, Drums, Percussion, Scratches, Bass [Moog], Guitar – IZ*Co-producer – Bobby Ross Avila & IzMixed By – Serban GheneaMixed By [Assistant] – Tim RobertsOrgan [Wurlitzer], Guitar, Strings, Scratches – Bobby Ross AvilaProducer – Jimmy Jam & Terry LewisRecorded By – Ian Cross, Matt MarrinRecorded By [Assistant] – Ghian Wright

Backing Vocals – Darcy Aldridge, UsherBass – James "Big Jim" WrightCo-producer – Bobby Ross Avila & IzDrums, Percussion – IZ*Mixed By – Serban GheneaMixed By [Assistant] – Tim RobertsPiano, Guitar, Keyboards, Backing Vocals – Bobby Ross AvilaProducer – Jimmy Jam & Terry LewisRecorded By – Matt Marrin

Backing Vocals – Tony "Proof" Tolbert*, UsherCo-producer – Bobby Ross Avila & IzDrum Programming [Additional], Guitar, Keyboards – Bobby Ross AvilaGuitar – Daniel Marino Mixed By – Serban GheneaMixed By [Assistant] – Tim RobertsPercussion, Scratches – IZ*Producer – Destro Music, Jimmy Jam & Terry LewisRecorded By – Matt MarrinRecorded By [Additional] – Dante "Destro" Barton*

Backing Vocals – Patrice "ButtaPHly" Stewart, UsherBass [Moog], Keyboards – Bobby Ross AvilaBass, Drums, Percussion, Keyboards – IZ*Co-producer – Bobby Ross Avila & IzCo-producer, Organ [Wurlitzer] – James "Big Jim" WrightMixed By – Serban GheneaMixed By [Assistant] – Tim RobertsProducer – Jimmy Jam & Terry LewisRecorded By – Matt Marrin

Backing Vocals – Paula Patton, UsherKeyboards [Additional] – Larry Cox Mixed By – Manny MarroquinProducer – Thicke*Producer, Recorded By – Pro J

Co-producer – Bryan Michael Cox*Mixed By – Phil TanMixed By [Assistant] – John Horesco IVProducer – Jermaine DupriRecorded By – Brian FryeRecorded By [Assistant] – Tadd Mingo

Mixed By – Tony MaseratiProducer – Rich HarrisonRecorded By – Kevin "KD" Davis*

Mixed By – Serban GheneaMixed By [Assistant] – Tim RobertsProducer – Andre Harris & Vidal Davis*Producer [Vocals] – Jason Boyd, Ryan TobyRecorded By – Vince DiLorenzo*

Co-producer – Manuel SealFeaturing – Alicia KeysMixed By – Phil TanMixed By [Assistant] – John Horesco IVProducer – Jermaine DupriRecorded By – Brian FryeRecorded By [Additional] – Ann Mincieli, Michael Rangeard*Recorded By [Assistant] – Tadd Mingo, Vincent Creusot

Backing Vocals – UsherBass – LaMarquis JeffersonGuitar – Craig LoveMixed By – John FryeProducer [Vocals] – Sean GarrettProducer, Mixed By – Lil' JonRecorded By – Blake Eiseman, Mark Vinten

Backing Vocals – Tony "Proof" Tolbert*, UsherCo-producer – Bobby Ross Avila & IzCo-producer, Keyboards, Bass – James "Big Jim" WrightGuitar, Drums, Percussion – IZ*Mixed By – Serban GheneaMixed By [Assistant] – Tim RobertsPiano, Flute – Bobby Ross AvilaProducer – Jimmy Jam & Terry LewisRecorded By – Matt Marrin

Co-producer – Bryan Michael Cox*Featuring – Kanye West, Shyne, TwistaMixed By – Phil TanProducer, Mixed By – Jermaine DupriRecorded By – Brian FryeRecorded By [Additional] – Chris Steinmetz, Doug Wilson, Ian Cross, Jun Ishizeki, Kevin MahoneyRecorded By [Assistant] – Tadd MingoRecorded By, Mixed By [Assistant] – John Horesco IVRemix – Jermaine Dupri