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[[quoteright:350:[[WesternAnimation/BatmanTheBraveAndTheBold https://static.tvtropes.org/pmwiki/pub/images/the_music_meister.jpg]]]]
[[caption-width-right:350:[[TropeNamers The Music Meister is the man that the world shall obey!]]]]

->''"I'm the heart of swing, I'm the twist and shout.\\
When you gotta sing, when you gotta let it out."''
-->-- '''Sweet''', ''Series/BuffyTheVampireSlayer'', "[[MusicalEpisode Once More With Feeling]]"

The Music Meister is a character who causes others to break out into spontaneous song and/or dance. Often used as a justification for a MusicalEpisode, in which case GenreSavvy characters will question (possibly in song) why they are suddenly acting like characters in a musical.

To qualify as The Music Meister, a character must have an explicit power to cause others to break out in song, and the musical interludes should be [[LampshadeHanging commented on as being out of the ordinary]].

Related to CrowdSong, EnslavedTongue, SpontaneousChoreography, and InvoluntaryDance, since that's what this person causes.

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!!Examples:

[[foldercontrol]]

[[folder:Anime & Manga]]
* Remarkably for a Japanese work (where {{Musical Episode}}s are uncommon in the first place), ''Anime/DuelMasters Victory V3'' has an episode about a wannabe singer whose magical companion causes others to break out into spontaneous shouts, and eventually, singing and dancing. The main characters even sing the jingles during the eyecatches.
[[/folder]]

[[folder:Audio Plays]]
* Jude in the AudioPlay/BigFinishDoctorWho episode ''[[Recap/BigFinishDoctorWho036TheRapture The Rapture]]''.
[[/folder]]

[[folder:Comic Books]]
* The Muse from the ''Series/DoctorWho'' comic strip "Planet Bollywood" in ''Magazine/DoctorWhoMagazine''. The Muse was a robot created by the ruler of a planet to induce courtiers to perform musical routines against their will. An insurgent faction realized her powers could be used for evil. Smuggled off-planet, she was damaged in a spaceship crash and started inducing random musical outbursts in the local inhabitants.
* In ''ComicBook/JusticeLeagueOfAmerica'' #16 (1962), the JLA battled the musically themed villain the Maestro, who equips his henchmen with instruments that cause hearers to dance uncontrollably. (The whole story is eventually revealed to be a WhatIf scenario posed by one of the JLA's readers.) The JLA display considerable ingenuity in using their powers and talent to keep fighting while being unable to stop dancing; e.g. ComicBook/TheFlash spinning on the spot so fast he stats to bore a hole in the ground, or ComicBook/{{Batman}} flipping so energetically he dislodges capsules from his UtilityBelt.
[[/folder]]

[[folder:Comic Strips]]
* In one ''ComicStrip/{{Nodwick}}'' story, Yeagar becomes this accidentally, after he asks Artax to cast a spell on him, to give him more impressive speaking skills. Of course, Artax never really read the full description of what exactly the spell ''does''... so of course, EVERYONE (heroes and villains alike) start randomly singing together in the middle of the fights. The expressions during some of the songs are truly priceless.
[[/folder]]

[[folder:Fan Works]]
* ''Fanfic/AGemInTheRough'': In a nod to the [[WesternAnimation/BatmanTheBraveAndTheBold Trope Namer]], Genevieve's newest ability "Color Trap: Musical Deep Blue" forces whomever is inside of her range to break out into spontaneous song and dance...despite there being no musical accompaniment. This can even effect strong-minded people like [[spoiler: Captain Hina, who used the lyrics to show her disgust at the situation.]] Unfortunately, this includes her herself as well, much to her own embarrassment.
* ''Fanfic/LeftBeyond'' makes use of sonic weapons that take in a modulation signal, which is often a musical piece; given how Narrative Causality works in the setting, the side with the most appropriate fighting song often gets a defense bonus.
* ''Fanfic/PokemonOpalAndGarnet'': Clopin. He got an ENTIRE crowd to sing "Topsy Turvy"... or at least its [=PokeLatin=] cover. In addition, his "Court of Miracles" battle style has left many Pokemon baffled.
* The Uncle from ''[[http://www.fimfiction.net/story/124263/1/songs-uncle-sings/sineva Songs Uncle Sings]]'' is a [[{{Pun}} low key]] example.
[[/folder]]

[[folder:Films -- Animation]]
* In ''WesternAnimation/TheAmazingMaurice'', the Pied Piper is able to command people and animals using his pipe. He uses it to force Keith and Malicia toward the oven. When he starts playing a series of random notes [[spoiler:(due to Mr. Clicky running up the inside of his clothing)]], Keith and Malicia contort themselves with some strange dance moves.
* In ''WesternAnimation/HomeOnTheRange'', Slim's hypnotic yodeling makes the cows dance along to his VillainSong[=/=]DisneyAcidSequence [[https://www.youtube.com/watch?v=GdZcsrtiUac "Yodel-Adle-Eedle-Idle-Oo."]]
* In ''WesternAnimation/ShrekForeverAfter'', the Pied Piper is a BountyHunter who uses his flute to capture his quarry by forcing them to dance.
[[/folder]]

[[folder:Films -- Live-Action]]
* Ghosts can apparently do this in ''Film/{{Beetlejuice}}'', as the Maitlands demonstrate during the sequence with "Day-O (The Banana Boat Song)" by Harry Belafonte.
* Giselle from ''Film/{{Enchanted}},'' who comes from a universe where random musical numbers are common. Only a few characters seem to notice that the singing and dancing is out of the ordinary.
* ''Film/HocusPocus'': Winifred enchants a town hall full of partygoers to literally dance themselves to death.
* In ''Film/LeprechaunInTheHood'', the Leprechaun uses his powers to make the people in a night club sing and dance for him.
* In ''Film/TheMask'', the title character is surrounded by police, so he starts singing a rumba number and the policemen start singing and dancing along, to their great surprise.
* In ''Film/TheTalesOfHoffmann1916'', Dr. Mirakel [[MusicalAssassin kills his victims by playing them the violin]]. [[InvoluntaryDance This compels them to dance]], eventually killing them by exhaustion.
* Willy Wonka's chocolates can have this effect in ''Film/{{Wonka}}''. Directly stated in the "You've Never Had Chocolate Like This" musical number:
-->''Have you tried his new one?\\
No!\\
Oh you've got to have a go!\\
\\
Just pop one in and everything\\
Becomes a Broadway Show!\\
\\
The news that makes you gasp\\
The jokes that make you laugh\\
All that you say and do all day will be choreographed!''
[[/folder]]

[[folder:Literature]]
* Not a person, but otherwise along the same lines, is Rojahama's Song-and-Dance from the Literature/DoctorWhoNewAdventures novel ''[[Recap/DoctorWhoNewAdventuresSkyPirates Sky Pirates!]]''. It's a force of nature, or perhaps some kind of meteorological effect, that causes spontaneous outbreaks of CrowdSong. (The planet on which this occurs is in a solar system that, for reasons explained later in the book, is basically one giant WeirdnessMagnet.)
* In ''Literature/TheMasterAndMargarita'', Woland supernaturally makes a crowd of people sing involuntarily.
* Many retellings and adaptations portray Literature/ThePiedPiperOfHamelin as this once he switches from controlling rats to controlling human children. It's very common to find versions where the kids sing and dance after him instead of just following him out of town.
[[/folder]]

[[folder:Live-Action TV]]
* The demon Sweet from the ''Series/BuffyTheVampireSlayer'' musical episode "[[Recap/BuffyTheVampireSlayerS6E7OnceMoreWithFeeling Once More, with Feeling]]". Upon his arrival in Sunnydale, everyone in town begins breaking into musical numbers. While this seems harmless enough, the songs are always brutally honest ones that reveal people's deepest secrets, which sows discord among the populace. They also cause certain victims to spontaneously combust.
* In the third season of ''Series/{{Community}}'', Mr. Rad not only acts as a Music Meister, but slowly [[TheVirus converts the study group into Mini Music Meisters]].
* ''Series/{{The Flash|2014}}'' had a musical crossover with ''Series/{{Supergirl|2015}}'', with Creator/DarrenCriss in the role of the trope-naming Music Meister. Unlike most examples, [[spoiler:it being a musical wasn't an explicit power of the character; he trapped Barry and Kara in a shared dream world based on their own minds, which happened to be a musical. He was given the name by characters who didn't know how his powers worked. Also, he was more TheTrickster; in the end he wanted them to learn something that was actually intended to ''help'' them, and is actually an otherworldly entity similar to Mr. Mxyzptlk who let them ''think'' he was just another villain with a weird power at first.]]
* The Imagin Ryutaros from ''Series/KamenRiderDenO'' has the unique power to make everyone around him spontaneously burst into breakdancing with his theme song in the background just by snapping his fingers. After the first time, he even has a 'posse' that shows up whenever he wants someone to dance with.
* The Luvvie tribe in ''Series/TheLegendOfDickAndDom'' episode "The Land of the {{Luvvies}}" has this effect on people.
* ''Series/LegendsOfTomorrow'' has [[Myth/HinduMythology Kamadeva]], the Hindu god of love. Well, it's actually a guy named Sanjay, who gathered the real Kamadeva's ashes after he was immolated by Vishnu. Sanjay can use Kamadeva's ashes to remove people's impulse control. He uses it to start a Bollywood dance number in ''RegencyEngland''. People around him can't help but start singing.
* ''Series/OddSquad'':
** In "A Case of the Sing-Alongs'', the Sing-Alongs itself counts as this, although the issue was chalked up to the Mayor's high school glee club, The 30s.
** In "Slow Day", DJ Max Relax's music has the ability to make everyone move in SlowMotion. Olympia, Otis and Oona later reverse the effects by playing a song that goes from slow-paced to fast-paced.
* Downplayed in the MusicalEpisode of ''Series/PowerRangersZeo''. After The Machine Empress casts a spell on the Red and Yellow Rangers, they are forced to sing everything while everyone else are looking at them strangely.
* A 2010 ''Series/SesameStreet'' [[http://muppet.wikia.com/wiki/Episode_4220 episode]] had Elmo take on this role by pure accident - he decided to play with Abby's wand when she left it behind after leaving to do an errand; he accidentally learned the music spell while pretending to be a conductor with it and decided to use it on everyone on the street. There's even a ShoutOut to the ''Buffy'' example, specifically the "They Got The Mustard Out" song.
* ''Series/XenaWarriorPrincess'':
** Solan qualifies as this, as he is the driving force behind Xena and Gabrielle's being transported to the musical world of Illusia [[spoiler:after they tried to kill each other]].
** Also from Xena, Terpsichore's Lyre, from "Lyre, Lyre Hearts on Fire" is an inanimate version of this, as the musical aspects of the episode only begin when the Lyre is unearthed by Draco, and are abruptly ended when the Battle of the Bands is won. [[spoiler:By Xena.]]
[[/folder]]

[[folder:Music]]
* ''Music/CrayonPop'': A saxophone-playing cat doll [[MindControlMusic causes the girls to dance uncontrollably]] in "Doo Doom Chit."
[[/folder]]

[[folder:Podcasts]]
* ''Podcast/TheThrillingAdventureHour:'' The Sparks Nevada episode "The Piano Has Been Thinking" features a player piano with artificial intelligence spreading radiation that causes the folks of Mars to randomly burst into song and dance.
[[/folder]]

[[folder:Radio]]
* The cursed piano in the Storyteller skit in season 6, episode 6 of ''Radio/JohnFinnemoresSouvenirProgramme'' gives its owner a wonderful singing voice while at the same time causing them, and everyone around them, to sing involuntarily. [[spoiler:And then eats them.]]
[[/folder]]

[[folder:Tabletop Games]]
* A [[https://dnd-wiki.org/wiki/Massive_Musical_(3.5e_Spell) homebrew spell]] for ''TabletopGame/DungeonsAndDragons'' is specifically oriented towards this. Needless to say, it's bard-only.
** A more minor example of this is the spell Otto's Irresistible Dance, which only affects a single target.
* ''TabletopGame/{{Pathfinder}}'': 2e has The Dance of Death, a magical trap consisting of a ghostly orchestra whose music compels all who can hear it to dance uncontrollably. Failing their saving throws against the music causes the affected creatures to dance faster and faster until they tear themselves apart dancing faster than their bodies can handle.
[[/folder]]

[[folder:Theater]]
* The Balladeer and, to a lesser extent, the Proprieter in ''Theatre/{{Assassins}}'' have elements of this, as it seems to be their presence that causes the assassins to express themselves in song.
* Although most of of the songs and dances performed by Professor Harold Hill from ''Theatre/TheMusicMan'' are simple outgrowths of him being the main character in a musical, his repeated evasion of the school board crosses into this trope. Whenever they try to check his references as a music teacher he cons them into singing classic [[ACappella Barbershop Quartet]] standards. [[WeNeedADistraction He then escapes]] while they complete the number. The school board members are described as hating each other and are fully aware of what he is doing, but find themselves unable to stop their 4 part harmonies.
* In ''Theatre/RideTheCyclone'', Karnak sets the rules of the game as a singing competition and says he has "taken the liberty of choreographing a few of [their] moves in advance," such as catchphrases and backup dancer blocking for the soloists. The kids essentially have to act out the soloist's fantasy (even if said soloist is insulting them).
* In ''Theatre/TheTalesOfHoffmann'', Dr. Mirakel forces Antonia to sing by playing the violin. A very dark take in this trope, considering her condition...
[[/folder]]

[[folder:Video Games]]
* ''VideoGame/LEGOTheLordOfTheRings'':
** In ''The Lord of the Rings'', equipping a treasure called the "Disco Phial" allows you to see in the dark, while causing everyone in the immediate area to dance uncontrollably -- which can be a pain if you're in multiplayer mode and your partner does this.
** ''The Hobbit'' has the Mithril Rhythm Stick, which plays a dubstep remix and causes players to dance. Using this and the Dazzle Wig and Mithril Dance Boots treasures together will give you the "Lord of the Prance" achievement.
* ''VideoGame/RatchetAndClankFutureToolsOfDestruction'': The Groovitron, a miniature disco-ball shaped device that forces every NPC on the screen to dance until it runs its course. Notable in that every species/significant NPC has a unique reaction to it -- you even get a [[ThatOneAchievement skill point]] for targeting everything that ''can'' dance.
[[/folder]]

[[folder:Web Videos]]
* ''WebVideo/TheCommonManShow'': Babu always ends the video with a traditional folk song and a percussive beat, using either a drum or a table to play it. The other two can't help but groove a bit to it.
* ''Series/FlandersCompany'': This is the primary superpower of wannabe supervillain Kevin (along with creating his own music and light effects). His "groove" is so intense that when he starts dancing, others feel compelled to follow. He mostly aims at incapacitating, though he uses the power once to drag an opponent [[DestinationDefenestration through a window]]. He can also use ThePowerOfRock to cause pain through sonic attacks.
[[/folder]]

[[folder:Western Animation]]
* The TropeNamer is the Music Meister from the ''WesternAnimation/BatmanTheBraveAndTheBold'' episode "Mayhem of the Music Meister". A villain who has the power to mind control others simply by singing, forcing them to do his bidding while simultaneously singing and dancing to his song.
-->'''[[https://youtu.be/P5vKwcz820s?t=150 Music Meister]]:\\
''' Bullies used to pick on me because I sang in choir.\\
But something very strange occurred when I kept singing higher!\\
The ruffians around me quickly fell into a trance,\\
and it was then with wicked glee I made those puppets dance!
* Music Meister also makes an appearance in ''WesternAnimation/HarleyQuinn2019'', but instead of being a villain, he instead uses his powers to work as a couple's therapist, forcing people to sing about their feelings.
* ''WesternAnimation/MiraculousLadybug'':
** Guitar Villain in the episode of that name. His "Rockin' Riff, Baby!" forces people to dance and shout like they're at a rock and roll concert.
** Frighteningale has a variant of this power. Victims of her power ''can'' choose to stop dancing and speaking in RhymesOnADime, but get turned into statues the moment they do.
* In ''WesternAnimation/MyGymPartnersAMonkey Presents Animal School Musical'', the magical fish David Coppertrout grants [[JerkWithAHeartOfGold Jake's]] wish to turn the world into a musical. The other characters are not impressed, even to the extent of singing songs about how terrible it is living in a musical.
* In ''WesternAnimation/ThePenguinsOfMadagascar'' episode "The Return of The Revenge of Dr. Blowhole", Dr. Blowhole's new device accidentally fuses with an experimental power cell and an [=MP3=] player to form a machine capable of doing this. Blowhole himself becomes this when he takes control of it. Like the TropeNamer, he's voiced by Creator/NeilPatrickHarris.
* In ''WesternAnimation/PhineasAndFerb'', Doofenshmirtz accidentally builds a machine that forces people to dance (he was trying to build something that would dry his clothes). It ends up zapping Perry, Doofenshmirtz, itself, and Phineas and Ferb's latest invention by the end of the episode.
* A device rather than a character, the Tone-O-Tuner from the ''WesternAnimation/TransformersRescueBots'' episode "I Have Heard the Robots Singing" inadvertently causes all of Griffin Rock to break out in song.
* ''WesternAnimation/ZekesPad'': Zeke becomes this, but only to himself, in "Wherefore Art Thou". Zeke is desperate to make it into the [[SchoolPlay school musical]] opposite Maxine, but can't sing a note on key. So when he draws himself with perfectly in tune notes coming out of his mouth, he doesn't think it would mean every opening of his mouth would be in the form of a song. Sure, this helps him pass the singing portion of the audition, but things get embarrassing when he can't talk to Maxine without belting out a song in rap, opera or cheesy pop ballad style. When the pad recharges, he tries to do a 180 and draw himself without the 24/7 songbird voice but instead with magic feet for the dance segment of the competition. That doesn't work out exactly as planned either, as now he can't sing, and can't stop his body from dancing, gyrating and flinging everywhere he goes.
[[/folder]]
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->"Put a sock in it!"
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