Folie À Deux' companion album, 'Harlequin' Lady Gaga is unleashing her rock ‘n’ roll side in a new song inspired by her upcoming movie, Joker: Folie À Deux. On Wednesday, Sept. 25, the 38-year-old shared a teaser clip for “The Joker” — a track featured on Harlequin,

Gaga shared a teaser video ( watch it here) today (September 25), in which she, in character as Quinn, wanders around The Louvre museum in Paris. She comes face-to-face with the Mona Lisa, giving her a lipstick, Joker-like smile through the protective glass. All the while, a rocking new song, presumably from Harlequin, plays.

Sept. 25 (UPI) -- Lady Gaga announced new music to accompany her upcoming film Joker: Folie à Deux. Harlequin is "a companion" to the Joker sequel starring Joaquin Phoenix . The album drops Sept. 27, and it features 13 songs. Tracks include "If My Friends Could See Me Now," and "Happy Mistake."