Historically, ride operators spoke live over the music. Today, most jingles are pre-recorded "soundboards." Operators trigger specific samples via a laptop or a dedicated sampler pad to sync with the ride's movements. As the ride speeds up, the jingle becomes more chaotic; as it slows down, the audio shifts to "invitation mode" to lure in the next batch of riders.
It plays for no one. It spins its 16-second loop into the void. Kermis Jingles
Dee-dee-doodle-lee-dum. Clank. Boom.