engineer [asst. recording engineer] Barry McCready engineer [asst. recording engineer] David Covell engineer [asst. recording engineer] Justin Smith engineer [recording engineer] Joshua Blair mixed by Serban Ghenea mixed by [assistant] John Hanes producer BloodPop producer Kevin Parker producer Lady Gaga producer Mark Ronson written-by [author], composed by Kevin Parker written-by [author], composed by Mark Ronson written-by [author], composed by Michael Tucker written-by [author], composed by Stefani Germanotta Copyright (c) Interscope Records Phonographic Copyright (p) Interscope Records (C) 2016 Interscope Records (P) 2016 Interscope Records Barcode: 0060255715539