A photo of a party. small informal crowd, boisterous lively crowd

A photo of a party. small informal crowd, boisterous lively crowd. trendy, casual diverse people. 21st century contemporary city. On a rooftop courtyard, in Paris. 17th arrondissement. grand building. makeshift stage. band playing including celebrity DJs, Musicians, rappers, singers, dancers, musicians are surrounded by a happy crowd. people dancing. people dancing on speaker stacks. lights. smoke machine. Television film crew. sundown