Arranged By [Band] – Gabriel Roth, Mark RonsonArranged By [Orchestra], Conductor – Chris ElliottBass Guitar – Nick MovshonCello – Anthony Pleeth, Joely Koos, John HeleyContractor [Orchestra] – Isobel GriffithsDrums – Homer SteinweissEngineer [Assistant] – Jesse Gladstone, Mike MakowskiGuitar – Binky Griptite, Thomas BrenneckHandclaps – Mark Ronson, Vaughan MerrickHarp – Helen TunstallLeader [Orchestra] – Perry Montague-MasonPercussion – Frank RicottiPiano, Electric Piano [Wurlitzer], Handclaps – Victor AxelrodRecorded By – Mark Ronson, Vaughan MerrickSaxophone [Alto] – Andy Macintosh, Chris Davies*Saxophone [Baritone] – Dave Bishop, Ian Hendrickson-SmithSaxophone [Tenor] – Jamie Talbot, Mike Smith , Neal SugarmanTrombone [Tenor] – Richard Edwards Trumpet – Dave Guy, Steve SidwellViola – Bruce White, Jon Thorne , Katie Wilkinson, Rachel BoltViolin – Boguslaw Kostecki, Chris Tombling, Liz Edwards*, Everton Nelson, Jonathan Rees, Mark Berrow, Perry Montague-Mason, Peter Hanson, Tom Piggot-Smith*, Warren Zielinski

Arranged By [Band] – Gabriel Roth, Mark RonsonBass Guitar – Nick MovshonDrums – Homer SteinweissEngineer [Assistant] – Jesse Gladstone, Mike MakowskiGuitar – Binky Griptite, Thomas BrenneckPiano, Electric Piano [Wurlitzer], Handclaps – Victor AxelrodRecorded By – Mark Ronson, Vaughan MerrickSaxophone [Baritone] – Ian Hendrickson-SmithSaxophone [Tenor] – Neal SugarmanTrumpet – Dave Guy

Double Bass [Upright Bass], Drums, Piano – Salaam RemiGuitar, Backing Vocals – Amy WinehouseGuitar, Saxophone [Baritone & Tenor] – Vincent HenryTrumpet [Bass], Flugelhorn – Bruce Purse

Bass – Salaam RemiClarinet, Clarinet [Bass], Guitar – Vincent HenryDrums – Troy Auxilly-WilsonGuitar – Amy WinehouseOrgan, Electric Piano [Rhodes] – John Adams*Trumpet, Trumpet [Bass], Flugelhorn – Bruce Purse

Arranged By [Band] – Gabriel RothArranged By [Orchestra], Conductor – Chris ElliottBass Guitar – Nick MovshonCello – Anthony Pleeth, Joely Koos, John HeleyContractor – Isobel GriffithsDrums – Homer SteinweissEngineer [Assistant] – Jesse Gladstone, Mike MakowskiGuitar – Binky Griptite, Thomas BrenneckLeader [Orchestra] – Perry Montague-MasonPercussion – Frank RicottiPiano – Victor AxelrodRecorded By – Mark Ronson, Vaughan MerrickSaxophone [Alto] – Andy Macintosh, Chris Davies*Saxophone [Baritone] – Dave BishopSaxophone [Tenor] – Jamie TalbotViola – Bruce White, Jon Thorne , Katie Wilkinson, Rachel BoltViolin – Boguslaw Kostecki, Chris Tombling, Liz Edwards*, Everton Nelson, Jonathan Rees, Mark Berrow, Perry Montague-Mason, Peter Hanson, Tom Piggot-Smith*, Warren ZielinskiWritten-By – Amy WinehouseWritten-By, Arranged By [Band], Tambourine – Mark Ronson

Arranged By [Band] – Gabriel Roth, Mark RonsonArranged By [Orchestra], Conductor – Chris ElliottBass Guitar – Nick MovshonCello – Anthony Pleeth, Joely Koos, John HeleyContractor [Orchestra] – Isobel GriffithsDrums – Homer SteinweissEngineer [Assistant] – Jesse Gladstone, Mike MakowskiGuitar – Binky Griptite, Thomas BrenneckHarp – Helen TunstallLeader [Orchestra] – Perry Montague-MasonPercussion – Frank RicottiPiano – Victor AxelrodRecorded By – Mark Ronson, Vaughan MerrickSaxophone [Alto] – Andy Macintosh, Chris Davies*Saxophone [Baritone] – Dave BishopSaxophone [Tenor] – Jamie Talbot, Mike Smith Trombone [Tenor] – Richard Edwards Trumpet – Steve SidwellViola – Bruce White, Jon Thorne , Katie Wilkinson, Rachel BoltViolin – Boguslaw Kostecki, Chris Tombling, Liz Edwards*, Everton Nelson, Jonathan Rees, Mark Berrow, Perry Montague-Mason, Peter Hanson, Tom Piggot-Smith*, Warren Zielinski

Backing Vocals – Amy WinehouseBass, Piano, Guitar – Salaam RemiDrums, Tambourine – Troy Auxilly-WilsonPerformer [Uncredited, Sample Interpolation] – Marvin Gaye & Tammi TerrellSaxophone [Baritone, Tenor, Alto], Flute, Clarinet, Piano, Strings [Celeste], Guitar – Vincent HenryTrumpet, Trumpet [Bass], Flugelhorn – Bruce PurseWritten-By – Amy Winehouse, Nickolas Ashford and Valerie Simpson*Written-By [Sample Interpolation] – Nickolas Ashford and Valerie Simpson*

Arranged By [Band] – Gabriel RothArranged By [Band], Recorded By – Mark RonsonBass Guitar – Nick MovshonDrums – Homer SteinweissEngineer [Assistant] – Jesse Gladstone, Mike MakowskiGuitar – Binky Griptite, Thomas BrenneckPiano – Victor AxelrodRecorded By – Vaughan MerrickWritten-By – Paul O'Duffy*

Bass, Drums, Guitar – Salaam RemiGuitar – Vincent HenryGuitar, Backing Vocals – Amy WinehouseOrgan – John Adams*

Backing Vocals – Ade*, Zalon*Bass Guitar – Nick MovshonDrums – Homer SteinweissFinger Snaps – Mark RonsonGuitar – Binky Griptite, Thomas BrenneckPercussion – Sam KoppelmanPerformer [Uncredited, Sample interpolation] – The Icemen Piano – Victor AxelrodProducer [Original Demo] – P*NutRecorded By – Derek Pacuk, Dom Morley, Gabriel Roth, Matt Paul, Vaughan MerrickSaxophone [Baritone] – Cochemea GastelumSaxophone [Tenor] – Neal SugarmanTrumpet – Dave GuyWritten-By – Amy Winehouse, Richard Poindexter, Robert PoindexterWritten-By [Sample Interpolation] – Robert PoindexterWritten-By [Sample interpolation] – Richard Poindexter

Bass, Drums – Salaam RemiDrums – Troy Auxilly-WilsonGuitar, Backing Vocals – Amy WinehouseOrgan, Organ [Rhodes] – John Adams*Saxophone, Guitar – Vincent HenryTrumpet, Trumpet [Bass], Flugelhorn – Bruce Purse