tsuritama: Humans under the influence of the aliens' Mind-Control Device. This can result in Adult Fear, such as losing control of their boats and accidentally launching missiles from a battleship.
The Para Para Brothers from Dragon Ball GT use a stereo to cause their opponents to uncontrollably mimic their dancing, leaving them open to attack.
Fushigiboshi no Futago Hime: Fine or Rein presses one of the three buttons on the Feather Myuugram to make it play music. Anyone standing in front of the Myuugram will be forced to dance depending on the music the Myuugram plays.
Ranma ½: The anime-only twins Ling-Ling & Lung-Lung's most powerful move. The twins play the Theme Tune which causes the opponent to dance uncontrollably, and while they dance Ling-Ling & Lung-Lung use the flamethrower to burn the opponent.
Seto no Hanayome: To stop the fight between the two Yakuza groups, the mermaids Sun & Lunar sing a song that causes everyone to dance uncontrollably. For 50 solid hours.
The Lair of the White Worm. Lady Sylvia Marsh is the vampire priestess of the title monster. When she hears a particular kind of music she starts dancing (a reference to how snakes are supposed to be charmed by music).
Robots: Robin William's character Fender uses a dance as his special "attack sequence", which causes the evil robots to join in.
Ella Enchanted: Ella is "blessed" with the gift of obedience. Because of this, in the film version of the story, she is compelled to sing and dance for the entertainment of some giants after some of them yell out for her to do so.
An episode of MI High has a villainess make her dancers wear vests which makes them do her will. Oscar ends up putting one of these on and ends up being ordered to dance around a room until Carrie gets it off him.
In the Friday The 13th: The Series "The Maestro", the cursed antique of the week was a music box who's melody forced the listener to dance themselves to death. Death occurred either though strain on the body or dancing into deadly situations, such as out a window.
Hans Christian Andersen's fairy tale "The Red Shoes", where a girl is punished for her vain pride over her beautiful shoes by having the shoes force her to dance uncontrollably.
The Brothers Grimm's tale "The Jew Among Thorns" includes a fiddle which compels people to dance when they hear it played.
The end of Nikolai Gogol's "The Lost Letter": the only thing that remains following his ordeal is the fact that once a year, on the date he met the group of demons, his wife has an uncontrollable urge to dance and does, with no way of stopping her.
You're Gonna Go Far, Kid by The Offspring: A plant goddess gives the peasant a magical guitar, with which he causes a scarecrow and townsfolk to start dancing uncontrollably. When he becomes selfish, the plant goddess punishes him by first forcing him to dance alone to the music, then dragging him into the ground through a whirlpool.
Where Them Girls At by David Guetta: The video shows giant bubbles which contain the song's beats, drifting across the streets of Los Angeles. When people burst the bubbles, they start dancing uncontrollably.
Norwegian elves can teach to a fiddler the Elf-king's tune, which can make old and young, and even inanimate objects, dance. It cannot be stopped unless the player plays the tune backwards, or that someone comes behind him and cuts the strings of his fiddle.
The Strömkarl has eleven different measures, to ten of which alone people may dance; the eleventh belongs to the night spirit his host. If any one plays it, tables and benches, cans and cups, old men and women, blind and lame, even the children in the cradle, begin to dance.
In Ireland, it was believed that fairy changelings often produced a set of small bagpipes from under the clothes and played dance music upon them, till the inmates of the cottage dropped with exhaustion from the effects of the step dancing they were compelled to engage in.
The Fair Folk's dances are very, very, very dangerous. Mortals who see them are often caught up in the dancing and are unable to stop. The lucky ones don't crumble into dust when it finally ends. One folk explanation of tuberculous was that its victims were forced to dance every night at the fairy hills, and wasted away for the lack of sleep.
In the Swedish legend of the Hårgadance a mysterious fiddler turned up one day in the village of Hårga during a celebration and started playing a song on his violin that made everyone dance enthusiastically. Too late, the people realized that the man, who they now saw had a goat's leg, was the Devil himself. They were unable to stop dancing and kept doing so while the fiddler led them up the nearby Hårgamountain. There, he kept playing until everyone had been killed and their bodies torn to bits by the intense dancing. The top of Hårgamountain is still flat to this day because of the wild dance.
Sir Thomas Wallace of Craigie and Walter Whiteford come across a house in which the wife is brewing ale. The wife serves Sir Thomas a drink, however she is terrified of the Laird who looks like the Devil and refuses him entry. The Laird responds by taking a "pin" and reciting a charm he placed it above the doorway, resulting in a spell that forced the wife to dance and sing uncontrollably. The workers return from the fields and they too are in turn bewitched as they pass under the "pin", until the Laird removes it and is invited to drink by the relieved householders.
Grigs can play a tune on their fiddles that causes other creatures to dance uncontrollably.
Each week the korred have a holiday where they dance and play music. Anyone who interrupts the dance must start dancing themselves, losing 1-4 Hit Points per minute until they die, are restrained or the korred leave the area.
The Masque of Slaanesh in Warhammer/40k is a daemonette of Slaanesh who angered her master and was cursed to dance for all eternity. Anybody who sees her dancing is forced to dance along, even to the point of dying from exhaustion.
In The Magic Flute, Papageno's magic bells cause Monostatos and his servants to stop attempting to capture Papageno and Pamina and start dancing.
Giselle: A girl who is jilted and dies before her wedding night is turned into a wili and seeks revenge upon men by dancing them to death.
Some musical adaptations of The Wizard of Oz contain the song "The Jitterbug", during which The Jitterbug puts a magical influence on the characters, forcing them to dance the Jitterbug frenetically.
Hunter × Hunter: In both musicals, Hisoka uses his Bungee Gum strings to make the characters dance.
Space Channel 5: The whole plot is about the villains getting people into and Ulala rescuing them from this trope.
Klonoa Beach Volleyball: Joka's Special Attack, Chaotic Dance; after he hits the ball, Joka's opponents will suddenly start dancing, and eventually trip.
Mega Man Star Force: Cygnus Wing attacks the Amaken Science Centre causing people to dance uncontrollably in the Space Simulation, with the limited oxygen supply in the space suits threatening the lives of his victims.
Psycho Mantis managed to accidentally discover this power in The Last Days of Foxhound. Later, when the group is assigned to Shadow Moses, Mantis uses this to control every single troop they have available.
The Debarted: Bart puts pieces of metal in Principal Skinner's shoes, then uses magnets under the school stage to make him move & dance around.
Last Tap Dance in Springfield: Professor Frink puts a clap-activated device in Lisa's dancing shoes to give her dancing skills. But when the audience at her dance recital applauds her dancing she dances more, and they applaud more, and she dances more-more, and they applaud more-more, etc.
On the Classic Disney Short "Trick or Treat", a witch casts a spell on Donald Duck after he swallows the key to the pantry where he hid all the Halloween candy. The spell made his feet dance and kick in an attempt to remove the key, while the witch accompanied on the banjo.
Kim Possible has an episode where she and Ron end up hypnotised and end up being ordered to dance by Señor Senior Junior.
In the Porky PigLooney Tunes short The Wearing of the Grin, Porky is forced to put on some green shoes which make him dance through a nightmare landscape.
My Little Pony: Friendship Is Magic: The Cutie Pox is an illness which causes random cutie marks to appear all over the ponies' bodies, forcing them to continually perform the talents that came with them. One of the marks which afflicted Apple Bloom is a red shoe (representing tap dancing), a Shout-Out to "The Red Shoes."
Pinky and the Brain: When a triggering noise was heard by one of the titular characters, they would go into an uncontrollable dance ("I'm a little teapot" for Brain when he heard a tinkly bell, and a stereotypical Russian Squat-dance for Pinky when he heard a gong).
The Adventures of Super Mario Bros. 3: The Doom Dancer Music Box made anyone who could hear it dance uncontrollably. This became a plot point as Koopa, who had a cold, couldn't hear it and thus wasn't affected when Bully tried it on him.
Phineas and Ferb: In "Out of Toon", Doofenshmirtz attempted to create a ray that would dry his clothes after his dryer broke, but instead made one that made anything hit with it dance.
Motorcity: This is one of the first things Tooley does with the people wearing Kane Safety Suits. Later, this happens to him when he's in a suit that was hacked by the Burners.
George of the Jungle (the 2008 series): Every time Ape hears the sound of Mitch's bongos, he dances uncontrollably which results in mass insanity and the destruction of their Tree House.
An episode of Make Way For Noddy has Sly and Gobbo sell the inhabitants of Toyland a dust which everyone puts on their feet that makes them dance whenever Sly and Gobbo play music from a box. This allows them to commit crimes in Toyland while everyone is dancing.
Five hats means that five tropers think it is ready to publish.
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it doesn't duplicate an existing trope, there are at least three examples, and the title makes sense.
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