You're attending a musical, and you've just gotten back from {{Intermission}}. You're ready for the tension built up in the first act to be released. The orchestra starts up again, and the curtain opens...

And the cast sings a totally irrelevant song.

Generally, the song is about love, food, drinking...you know, happy stuff, although there are exceptions. This type of song is very common in musicals, although it's starting to become a bit of a DiscreditedTrope. Typically, its purpose is to give the audience a chance to re-adjust their reality filters back into "it is totally normal for everyone to be singing" mode by presenting a scene where it actually ''would'' be normal for the cast to be singing; the fact that the lyrics are irrelevant to the plot also gives the people late back from the bathrooms and refreshment stands a few extra minutes to get to their seats without missing anything important. It also gives the main cast a few more minutes to prepare while the chorus entertains the audience.
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!!Examples:

* "Everything Beautiful Happens at Night" from ''110 in the Shade''. Also "Evenin' Star" added in the revival.
* ''Amaluna'', one of Creator/CirqueDuSoleil's few shows to have a distinct plot to follow, has two irrelevant scenes at the beginning before the storm that jumpstarts the story: the Japanese unicycle twins, and the Icarian Games/Meteor acrobats. Ditto the teeterboard number at the beginning of Act 2, whose sole purpose is to give the shipmates more stage time.
* ''Theatre/{{Annie}}'' opens Act Two with the orphans singing "You're Never Fully Dressed Without a Smile", a song they just heard on the radio. It's adorable, but it advances the plot in no way. However, the orphans do find out that Warbucks is helping Annie find her parents during the same radio broadcast.
** The original production and [[Film/{{Annie1982}} 1982 film]] had this number make more sense, as the scene took place ''in'' the radio station where the "Hour of Smiles" is being broadcast, and explained exactly how Warbucks is planning to track down Annie's parents (offering a $50,000 check to whoever can prove they're the real deal). At the end, Warbucks is tricked into plugging the toothpaste that sponsors the show, and launches into a tirade; Bert Healy, the quick-thinking host, then ends the program with "You're Never Fully Dressed." Halfway through the song, the scene cuts to the orphanage, and the girls sing their own version of the song. Some versions cut the radio scene entirely, and just have the orphans perform the number; while it saves time, it does make the song a lot more out of place.
* "Come Follow the Band" in ''Barnum'', performed by a marching band as Barnum and Jenny Lind arrive in Washington, D.C. (several months after the end of Act One had them set out on a tour), has no bearing on the plot.
* ''Theatre/BlackFriday'''s second act opens with "Deck the Halls (of Northville High)", a truly surreal number from a ShowWithinAShow about Santa Claus attending High School under the name "Christopher Kringle." Its bizarre and irrelevant nature is even {{Lampshaded}}, as when we cut back to the plot, Tom (who was watching the same number diegetically) asks "What the hell am I watching?"
* "Ladies of the Evening" from ''The Boys From Syracuse''.
* ''Theatre/TheBridgesOfMadisonCounty'' opens Act 2 with "State Road 21," a toe-tapping country fair number... that has no plot development or character insights whatsoever.
* "Never, Never be an Artist" from ''Theatre/CanCan''.
* "A Real Nice Clambake" from ''Theatre/{{Carousel}}''.
** One production gave its irrelevance some dramatic weight by superimposing the following scene, in which Jigger seduces Carrie, over it in a sort of theatrical split-screen.
* "Moments of Happiness" from ''Theatre/{{Cats}}''. It's very hard to pin down if it even ''has'' a meaning, it's surprisingly somber, and 90% of the fandom tends to ignore it.
** Notably, it's one of three songs ''not'' based on ''Literature/OldPossumsBookOfPracticalCats'' but on one of Creator/TSEliot's poems, "The Dry Salvages" from ''Four Quartets''. (The others are "Memory" and "Grizabella the Glamour Cat"; the first is taken from "Preludes" and "Rhapsody on a Windy Night," the latter from "Rhapsody" and a poem Eliot decided against including in ''Practical Cats''.)
* In ''Theatre/CesareIlCreatoreCheHaDistrutto'', Act 2 opens with, [[UsefulNotes/PopeAlexanderVI Rodrigo Borgia]], the title character's father, hamming it up and singing about what makes Spain so wonderful. The stage revolves, revealing the Spanish students (minus Cesare himself) leaning against a wall looking sexy, then they dance, led by Miguel, Cesare's best friend/bodyguard (if you've read Machiavelli, you might remember him as Cesare's assassin).
* Several in the theater version of Theatre/CharlieAndTheChocolateFactory;
** "The Candy Man", [[Film/WillyWonkaAndTheChocolateFactory an import from the famous 1971 film adaptation of the source novel]], opens Act One; it's sung by Willy Wonka himself as a third-person IAmGreatSong. It's PanderingToTheBase of people who can't imagine a ''Charlie and the Chocolate Factory'' adaptation without ''Willy Wonka'' songs. As with "Masquerade" in ''Phantom of the Opera'', anything plot-relevant is brought up in dialogue between verses. To make matters worse the very next song ("Willy Wonka! Willy Wonka!") is ''also'' about how amazing Willy Wonka and his candies are but also delivers {{Backstory}}, and the Act One closer "It Must Be Believed to Be Seen" is another IAmGreatSong for Wonka.
** "Strike That, Reverse It." In the original West End version of the show, it '''was''' important in that it was Willy Wonka's second song and scene (he didn't appear onstage until the end of Act One) and the first in which he truly interacted with the other characters and revealed how quirky he was, to their befuddlement. In the retool, of course, Mr. Wonka is the very first character the audience sees and he goes on to maintain a KingIncognito masquerade for most of Act One as a candy shop owner whom Charlie gets to know, so his personality is well-established by the time everybody gets to his factory. In addition, "Strike That, Reverse It"'s {{Foreshadowing}} of the climax (via his and Charlie's brief conversation) was eliminated with the retooling of the song, so nothing that happens in it tells the audience anything they don't already know or need to know for later.
* The Broadway version of ''Theatre/{{Chess}}'' opens with a children's choir singing a Hungarian folk song, which just serves as a three-minute long announcement of the setting change.
** Some versions open the first act with "Merano", which similarly serves to identify the setting and nothing else relevant.
** The London production starts with "The Story of Chess," and starts the second act with "One Night in Bangkok," which merely serves to describe the location where the second act takes place.
* ''Theatre/CityOfAngels'' opens its second act with Jimmy Powers in a recording studio singing "Stay With Me."
* "Who's Got the Pain?" in ''Damn Yankees''.
* Lampshaded in ''Theatre/TheDrowsyChaperone''. "Message from a Nightingale" is revealed to not be related to the titular ShowWithinAShow at all; it's the act two opener of another show completely. The actual act opener averts this trope, however.
* In the three-act version of the {{opera}} ''The Flying Dutchman'', the second and third acts begin with, respectively, Senta's friends singing a song about a spinning wheel, and the sailors singing a drinking song.
* ''WesternAnimation/Frozen2013'' opens with the ice-harvesting MusicalChores song "Frozen Heart," which only serves as AMinorKidroduction for Kristoff and has no bearing on the plot (other than some subtextual {{foreshadowing}}). Averted by its ScreenToStageAdaptation replacement, "Let The Sun Shine On," which [[AdaptationExpansion elaborates upon Elsa's and Anna's childhood]].
** That said, [[Theatre/Frozen2018 the play]] ''does'' have the song "Hygge," adapting Anna's visit to Oaken from the movie. Here, it starts off as Oaken [[BreakingTheFourthWall peddling his wares to the audience]], with the song not becoming plot relevant until Anna and Kristoff come in to get supplies about two minutes through the song, then spend the rest of the number trying to get Oaken to understand the seriousness of the situation, [[WhileRomeBurns all while Oaken and the backup sauna dancers continue their number]].
* ''Girl Crazy'' has a second act opening number called "Land of the [[HaveAGayOldTime Gay]] Caballero," whose primary function was giving a Spanish dance team something to do.
* ''{{Theatre/Godspell}}'''s second act opens with a reprise of "Learn Your Lessons Well" before launching into Act 2 proper with "Turn Back O Man." (Unless that production is smart enough to skip it.)
* ''Groundhog Day:'' The second act opens with "Nancy," a [[FourthWall self-conscious]] introduction to a minor character whom Phil seduces out of boredom.
* Zigzagged with "Our Lady of the Underground" in ''Theatre/{{Hadestown}}''. While it doesn't advance the plot of the show and mainly acts as a musical palate cleanser, the context of Persephone sneakily serving contraband to Hades' workers gives more insight into Hadestown, the Workers, and Persephone herself.
* The second act of EngelbertHumperdinck's opera ''Hänsel und Gretel'' opens with Gretel's folksy song "Ein Männlein steht im Walde," which bears no relation to the action.
* ''Theatre/TheHunchbackOfNotreDame'' opens its second act with ''Entr'acte'', a choral medley of some of the show's songs sung completely in Latin. There is no choreography or anything, it is sung by the cast's choir which tends to be either at the back of the stage or completely offstage, so the stage itself is generally empty for the duration of the number.
* "Too Darn Hot" from ''Theatre/KissMeKate'', where the minor characters sing about how uncomfortable the weather is... really. Averted with the film version, in that Cole Porter [[AuthorAvatar is a character]], so he can play whatever the hell he wants.
* "The Overlords" which opens act 2 of ''Kristina''.
* "Whipped Into Shape" does not get much context besides a passing reference to "exercise queen Brooke Windham" near the end of the first act in ''Theatre/LegallyBlonde''. This is a tape giving the audience a view into who the legal team's client is, given some minor interruptions by Professor Calahan for a rundown on the murder she's being charged with.
* The {{opera}} ''L'elisir d'amore'' uses a drinking song to open its second act.
* "One By One," in the Broadway version of ''Theatre/TheLionKing''. Specifically noted by WordOfGod to [[SetSwitchSong allow time for a major set change]].
* The two Night Waltzes from ''Theatre/ALittleNightMusic'' are important in setting the tone of the second act, but are sung by the GreekChorus and don't advance the plot.
* The first lyric Oscar Hammerstein II wrote ever for a Broadway show (though without credit), "Make Yourselves At Home" from a forgotten 1917 musical called ''Furs And Frills'', was one of these. This is more of a trivia note than an example, particularly since the song is lost.
* The second act of ''{{Theatre/Matilda}}'' opens with Mr Wormwood singing 'Telly', a showtune-style number...about how much better watching the telly is than reading.
* "The Sun Has Got His Hat On" in the 1980s revised version of ''Me and My Girl''.
* In some versions of ''Film/MeetMeInStLouis'', the housekeeper sings "A Touch of the Irish", a song about women-men relationships and how Irish women handle them.
* ''Theatre/TheMostHappyFella'' subverts it in Act II with "Fresno Beauties," which is interrupted for a relevant recitative for Rosabella and Joe, and plays it straight in Act III, with a reprise of "Abbondanza" for the purpose of literally ushering the audience back into their seats.
* The fourth ''Theatre/MusicalToukenRanbu'' installment ''Tsuwamono-domo ga Yume no Ato'' opens up with "Ado Utsu Koe", a song about Kogitsunemaru reenacting his original sword's smithing. The in-universe justification is that it's a performance for his master, the Saniwa, and that other Touken Danshi have been practicing similar routines for him, but Kogitsunemaru's song has nothing to do with the rest of the musical.
* ''Theatre/TheMusicMan'': The act II opener "It's You" isn't particularly relevant, and neither is the following song, "Shipoopi." The ''dance'' to "Shipoopi," where Harold shows Marian how to dance the latest one-step, is quite significant. Both numbers were moved to later scenes in the 1962 movie version.
* ''Theatre/OfTheeISing'' has the scene-setting chorus "Hello, Good Morning" for its second act opening. Of all the show's musical numbers, this one bears the least relation to the plot.
* "The Farmer and the Cowman" from ''Theatre/{{Oklahoma}}'' is really a subversion of this trope. The song is interrupted by a heated argument, then restarts and leads to AnAesop.
* "Oom Pah Pah" from ''Theatre/{{Oliver}}'' is a drinking song. Looks like it's named after everyone's favorite thing, too. The movie version makes it less irrelevant: Nancy leads the crowd in song in order to distract Bill Sikes so she can take Oliver to London Bridge.
* The first song in act ''one'' of ''Theatre/GuysAndDolls'' is "Fugue for Tinhorns," a song about horse races. Yes, the show is about gamblers, but that's the wrong kind--the rest of the show is about craps.
** A more traditional one happens at the start of act two, with "[[PrettyInMink Take Back Your Mink]]"--one of the Hot Box numbers. (This replaced a reprise of "A Bushel and a Peck" during the original production's pre-Broadway run.)
* "I Feel Like I'm Not Out of Bed Yet" at the beginning of ''Theatre/OnTheTown''. The second act starts with an irrelevant burlesque chorus of "So Long, Baby," though the also irrelevant CutSong "The Intermission's Great" originally preceded this. (The next number is, of all things, "HappyBirthdayToYou.")
* "Life Is Like a Train" from ''On the Twentieth Century''.
* ''Theatre/PaintYourWagon'' begins the second act with the irrelevant and irreverent "Hand Me Down That Can of Beans." The song is followed by not one but two ballets.
* "Steam Heat" from ''Theatre/ThePajamaGame''. As a castmember said: "We show up once and do this random song. It has nothing to do with the plot and is never spoken of again." And is arguably the single most memorable song from the whole show. One gets the feeling the writers shoved it in because it was too catchy to leave out and they wanted at least one song the audience could hum as they left the theatre.
* "Masquerade" from ''Theatre/ThePhantomOfTheOpera'' is important thematically, but doesn't really advance the plot. All the plot points are delivered in stylistic breaks from the song.
* "Poor Pirates" from {{Theatre/The Spongebob Musical}} is a protest song from Patchy the Pirate, who had been kicked out of the theater before the show started due to trying to film the show on his phone. After the song, security once again kicks him out, and the show returns to Spongebob's story.
* ''Theatre/PorgyAndBess'' has two large song-and-dance numbers that function as Irrelevant Scene Openers: "I Ain't Got No Shame" and "Good Mornin', Sistuh." This is not to mention the lengthy piano blues which opens the first act and is usually abridged so the show can proceed directly to "Summertime."
* ''Music/TheProtomen'' has an Irrelevant Act Closer, in the form of Due Vendetta at the end of Act I. It's just a [[ListSong list]] of a bunch of ''[[VideoGame/MegaManClassic Mega Man]]'' characters.
* The second act of ''Theatre/{{RENT}}'' opens with "Seasons of Love", possibly the best-known song from the show, but the one with the least relevance to its plot. (Though, that said, there's a DarkReprise of "Seasons" later on with the line "how do you measure a year in the life?" replaced with "how do you figure a last year on earth?", which is very relevant indeed.)
** "Seasons of Love" is used in the opening to the movie as well, and that becomes somewhat relevant, since it acts as a prologue and lends some intro to the characters.
* ''Theatre/ShowBoat'' opens its second act with "At the Fair," an extended but irrelevant ensemble about the attractions of the 1893 World's Fair at Chicago.
* In ''Theatre/ShrekTheMusical'', "Morning Person" recreates a funny bit from the movie, and lets Fiona tap-dance with the Pied Piper and the rats, but is otherwise irrelevant.
* ''Theatre/{{Spamalot}}'' starts with the narrator talking about England, then the curtain comes up to "Finland!" ("I said ''Eng''land!")
* "There Once Was a Pirate" from ''Theatre/SpringAwakening'' was originally supposed to be the first song of Act Two, but was then cut from the productions in favor of the more plot-relevant "The Guilty Ones."
* "Catch Me If You Can" from ''Theatre/StreetScene'' is an irrelevant comic relief number featuring a bunch of kids. The second act only gets more tragic from there.
* "The Rhythm of Life" from ''Theatre/SweetCharity'' is about Daddy Brubeck and the {{Backstory}} of his [[ScamReligion "new religion"]] that celebrates [[ExactlyWhatItSaysOnTheTin the rhythm of life]]. This is Daddy's first and only appearance, he and his fellow cult members are never seen nor mentioned again the rest of the show. It's a {{Showstopper}}, but that doesn't stop it from being a BigLippedAlligatorMoment.
* ''Theatre/TheTalesOfHoffmann'': Justified, the opera starts with a hymn to beer and wine... However, it's just the Muse, trying to convince Hoffmann to forsake love, and embrace drinks.
* ''Film/ThreeSmartGirls'' opens with a scene in which Penny, the youngest of the three sisters, sings a song while the three daughters are sailing on a lake. This has absolutely no relevance to the plot of the film, but it does allow Deanna Durbin to show off her soprano.
* "Opening Sequence" (it was never given a proper name) from ''Film/TopHat''.
* ''Theatre/{{Urinetown}}'' parodies this, of course. The verses of "What is Urinetown?" are pertinent to the characters, and spoken parts deliver exposition in the show's [[NoFourthWall signature style]]. But each time a chorus comes up, the characters make more and more strangled metaphors to justify yelling "Dance! Dance!"
* Creator/GilbertAndSullivan's ''[[Theatre/UtopiaLimited Utopia, Limited]]'' opens the second act with a song parodying tenors.
* ''Theatre/WestSideStory'''s first act culminates in a violent gang fight. Act two opens with "I Feel Pretty". Arguably justified, as it shows how quickly Maria's happiness comes crashing down around her. Averted in the film, where the song is moved to an earlier point.
** The film moved a few songs (and scenes) around to give a single rising line of tension throughout the movie as a whole, in contrast to the two (one for each act) in the stage play.
* ''Theatre/WeWillRockYou'' was already pretty ropily strung together, but the second act opens with "One Vision," possibly just to get the fried chicken line in somewhere. Given the lyrics, it may have been satirical to highlight that Killer Queen's control over the Gaga kids was slipping.
* In ''Theatre/WonderfulTown'', the second act opens with "My Darlin' Eileen," a stereotypical Irish song about how all the cops adore Eileen. It's never mentioned again.
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