While fans of musicals know where to go when they want to see characters breaking out in song left and right, there's something joyous about a random music number finding its way into movies across ...

If you've ever loved a movie musical, then you've probably got a favorite movie musical number — a song that makes you want to sing along, swoon, celebrate, or simply dance with the nearest lamppost.

In the new Joker: Folie á Deux featurette, director Todd Phillips and stars Joaquin Phoenix and Lady Gaga all discuss the process behind and purpose of the music in Joker 2. Phillips references the ...