Todd Phillips' sequel is out in cinemas today (October 4)
Director Todd Phillips might be done with the DC universe
Speaking about the song, Gaga said: "It was inspired by my character Harley, and just also kind of this reflection on my life as a performer"
"I'm also really excited about this idea that I don't have to adhere to an era if I don't want to"
"I think the whole experience inspired me through and through"
The 'Joker: Folie A Deux' companion album is set for release tomorrow (September 27)
The film arrives in cinemas next week
The film's director Todd Phillips said that Phoenix and Gaga had to start shooting musical numbers just nine days into principal photography
The album is coming out on Friday (September 27)
"I thought: 'What about a kid who is being accused of that who would think that a public figure like me would feel shame?'"