This isn't background music. It is the engine . When those horns hit and the bassline drops, your leg starts twitching. The film does something magical: it reminds you that music used to be physical. Before streaming algorithms, you had to move to the music. You had to feel the groove in your calves.
Combine the heel-toe bounce with an upper-body twist. As your right heel goes down, twist your shoulders to the left. This torque generates the "S" shape in your trail. This move takes months to perfect, but the feeling of hitting it for the first time is euphoric. Roll Bounce