Since it’s been confirmed that Joker 2 will be a full blown musical, many fans have started speculating about what will appear on the tracklist.

Todd Phillips’ highly anticipated sequelJoker: Folie à Deuxis set to hit theaters this spooky season and fans cannot contain their excitement for the film’s soundtrack and musical approach to the Joker’s tale.

On top of the surprising announcement that pop superstar Lady Gaga would be joining the cast, rumors have swirled concerning ifthe movie will lean more towards the musical side, but those rumors have finally been confirmed.

Joker 2 inside sourcestoldVariety the movie will be “mostly a jukebox musical” and will contain 15 reinterpretations of “very well-known” songs, including the song “That’s Entertainment” from the 1953 musical The Band Wagon.

Since the announcement broke, Joker 2 fans have taken to Twitter to speculate on what tracks could be found on the movie’s playlist.

“Harley Quinn is going to sing Bad Romance,” one fanwrote, referencing that Gaga (who plays Quinn) could reprise her famous hit from 2008.

Another fan keep the Gaga song train goingtweeting, “Omg they’re going to sing Telephone,” while another fan went with a more Broadway-esque tunewriting, “She’s definitely gonna sing Sondheim’s Send in the Clowns right?”

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Along with the 15 song covers, the sources did confirm that “one or two” original songs could make it into the final version, but it’s unclear who would write and perform them.

Kayla Harrington was a TV & Movies Writer on Dexerto’s US team, specializing in The Boys, The Walking Dead, House of the Dragon, Marvel and Star Wars. She also has bylines at Mashable, BuzzFeed, and The Mary Sue.