Arranged By [Vocal Arrangement] – Lady Gaga, RedOneBacking Vocals – Lady Gaga, RedOneCo-producer – Lady GagaEdited By [Vocal Editing] – Johnny Severin, RedOneEngineer – Dave Russel, Eelco Bakker, RedOneInstruments [All Played And Programmed By] – RedOneMixed By – Mark "Spike" Stent*Mixed By [Assistant] – Matty Green Producer – RedOneRecorded By – RedOneWritten-By – Lady Gaga, RedOne

Arranged By [Vocal Arrangement] – Lady Gaga, RedOneBacking Vocals – Lady Gaga, RedOneCo-producer – Lady GagaEdited By [Vocal Editing] – Johnny Severin, RedOneEngineer – Eelco Bakker, RedOneInstruments [All Played And Programmed By] – RedOneMixed By – Robert OrtonProducer – RedOneRecorded By – RedOneWritten-By – Lady Gaga, RedOne

Arranged By [Vocal Arrangement] – Lady Gaga, RedOneBacking Vocals – Lady Gaga, RedOne, Space CowboyCo-producer – Lady GagaEdited By [Vocal Editing] – Johnny Severin, RedoneEngineer – Dave Russel, Johnny Severin, RedOneInstruments [All Played And Programmed By] – RedOneMixed By – Robert OrtonProducer – RedOneRecorded By – RedOne, Space CowboyWritten-By – Lady Gaga, RedOne, Space Cowboy

Arranged By, Conductor – Ron FairBass – Tal HerzbergCo-producer – Lady Gaga, Tal HerzbergDrums – Abraham Laboriel Jr.Engineer [Assistant] – Joe Cory, Ryan Kennedy, Tal OzEngineer [Recording Engineered By] – Frank Wolff*, Tal HerzbergGuitar [All] – John GouxMixed By – Jack Joseph PuigProducer – Ron FairVocals [All], Piano – Lady GagaWritten-By – Lady Gaga

Co-producer – Lady GagaEngineer [Recording & Tracking] – Christian Delano, Dan Parry*, Jonas WetlingInstrumentation By [Additional], Arranged By – Lady GagaInstrumentation By, Programmed By, Arranged By – Fernando GaribayMixed By – Robert OrtonProducer – Fernando GaribayWritten-By – Fernando Garibay, Lady Gaga

Co-producer – Lady GagaEffects [Special Effects By] – Mike "Handz" Donaldson*Featuring – BeyoncéMixed By – Mark "Spike" Stent*, Rodney JerkinsMixed By [Assisted By] – Matty Green Music By – Rodney "Darkchild" Jerkins*Producer – Rodney "Darkchild" Jerkins*Recorded By – Paul FoleyRecorded By [Beyoncé's Vocals, Assisted By] – Takayuki MatsushimaRecorded By [Beyoncé's Vocals] – Hisashi MizoguchiRecorded By [Vocals By Lady Gaga] – Mike "Handz" Donaldson*Written-By – Beyoncé, Lady Gaga, Lashawn Daniels, Lazonate Franklin, R. Jerkins*

Arranged By [Vocal Arrangement By] – Lady Gaga, RedOneBacking Vocals – Lady Gaga, RedOneEdited By [Vocal Editing By] – Johnny Severin, RedOneEngineer – Dave Russel*, Johnny Severin, RedOneInstruments [Played And Programmed By] – Lady Gaga, RedOne, Space CowboyMixed By – Robert OrtonProducer – Lady Gaga, RedOne, Space CowboyRecorded By – RedOneWritten-By – Lady Gaga, RedOne, Space Cowboy

Backing Vocals – Stacy Dulan, TeyonieCo-producer – Lady GagaEngineer [Tracking] – Dave Russel*Guitar – Eric JacksonMixed By – Dave Russell, Teddy RileyMixed By [Assisted By] – Mike Daly Producer – Teddy RileyWritten-By – Lady Gaga, Taja Riley*

Featuring – Colby O'Donis

Featuring – Flo Rida, Space Cowboy