History Main / BlowThatHorn

** ''VideoGame/TheLegendOfZeldaOracleGames'' have horns that summons an animal companion.

** ''VideoGame/WarcraftIII: Reign of Chaos'': At the end of the story mode, as Archimonde climbs closer to the World Tree, Malfurion blows the Horn of Cenarius and summons the wisps of the ancient forests of Mount Hyjal to defeat Archimonde.

** The probable TropeMaker is the destruction of the walls of Jericho in the Book of Joshua. By God's command, the Israelites marched around Jericho sounding their trumpets, and the power of the horns and the wrath of God sent the walls tumbling down.

* ''VideoGame//StarFoxAdventures'': One of the items Fox finds in [=DarkIce=] Mines is the Dinosaur Horn, which can be blown while standing on special pads to trigger special effects. In [=DarkIce=] Mines itself, for example, it summons a [=SnowHorn=] so Fox can traverse a misty snowy field. In [=SnowHorn=] Wastes, he has to blow the horn onto multiple pads under a time limit as a sacred test to unlock a [[MiniDungeon Krazoa Shrine]].

* ''Literature/TheChroniclesOfNarnia'': Queen Susan's horn, gifted to her by Father Christmas, has the power to bring help to whoever blows it. Received by Susan in ''Literature/TheLionTheWitchAndTheWardrobe'', the horn was famously used centuries later by the Telmarine prince Caspian to call for help during his war for the liberation of Narnia.

* ''Literature/TheHorseAndHisBoy'': In the city of Tashbaan, capital of the empire of Calormen, booming horns are blown every day at sunrise and sunset to signal the opening and closing of the city's gates.

* ''VideoGame//StarFoxAdventures'': One of the items Fox finds in [=DarkIce=] Mines is the Dinosaur Horn, which can be blown while standing on special pads to trigger special effects. One such instance, for example, requires him to do this onto multiple pads in [=SnowHorn=] Wastes under a time limit to unlock a [[MiniDungeon Krazoa Shrine]].

* Subversion: On ''WesternAnimation/HoppityHooper'', Fillmore blows a bugle...but not very well.

* ''Literature/TheChroniclesOfNarnia'': Queen Susan's horn, gifted to her by Father Christmas, has the power to bring help to whoever blows it.
** Received by Susan in ''Literature/TheLionTheWitchAndTheWardrobe'', the horn was famously used centuries later by the Telmarine prince Caspian to call for help during his war for the liberation of Narnia.
* ''Literature/LordOfTheFlies'': Ralph and Piggy sound a conch shell to gather the boys together. [[spoiler: The eventual crushing of the shell alongside Piggy symbolizes the descent into savagery of the boys]].

* ''Literature/TheSongOfRoland'': Roland dies after blowing his horn so loudly that his ''brain bursts out of his ears''. He succeeds in summoning Charlemange, who's many miles away.

''Film/TheReturnOfTheKing'': When the forces of Mordor on the verge of overtaking Minas Tirth, a peal of horns announces the arrival of the massive Rohirrim cavalry, helping to turn the tide.

* These are popular among Northern and wildling armies in ''Literature/ASongOfIceaandFire', while Southern armies tend to use trumpets for the purpose. The Night's Watch have a signalling system involving warhorns.

* ''Literature/ASongOfIceAndFire'': ** There is the horn Dragonbinder, created by the Valyrians and acquired by [[EvilOverlord Euron Greyjoy]], one of the most evil characters in this CrapsackWorld. He claims he can use it to summon dragons, though when one of his men blows it they die from being burnt within.

* In ''Film/AnchormanTheLegendOfRonBurgundy'' Ron tries to summon the rest of his news team with a conch shell he's [[{{Hammerspace}} somehow produced]], only to discover they've actually been hanging out twenty feet from him the whole time.

** ''VideoGame/WorldOfWarcraft'' has quite a few equippable horns that summon robots or undead Vikings or whatnot to help players. Ironically, since item slots are limited and none of the summoned creatures are especially powerful, they're mostly VendorTrash.

* In a deleted scene from the movie ''Film/{{Legend}}'', this is how the goblins summon their master, the Lord of Darkness, so that they can report to him.

* In ''WesternAnimation/TheMidnightGospel'', when Clancy wishes to exit a simulation, he blows on a shofar, after which a third eye appears on his forehead and he is transported back to the Ribbon.

->''"And Joramun blew the Horn of Winter, and woke giants from the Earth"''
-->-- ArcWords, ''Literature/ASongofIceAndFire''

* In ''WesternAnimation/{{Freakazoid}}'', the Huntsman can be summoned into town by a cop blowing the Horn of Urgency.

* ''Literature/ASongOfIceAndFire'': There is the horn Dragonbinder, created by the Valyrians and acquired by [[EvilOverlord Euron Greyjoy]], one of the most evil characters in this CrapsackWorld. He claims he can use it to summon dragons, though when one of his men blows it they die from being burnt within.

** In ''VideoGame/TheLegendOfZeldaSkywardSword'', Bokoblins sometimes carry horns, which they can use to summon other Bokoblins.
** In ''VideoGame/TheLegendOfZeldaBreathOfTheWild'', Bokoblins, Lizalfos, and Moblins will often have one of their own as a lookout who will blow a horn to warn the others if it spots you. You can attack the lookout before it does so to keep the others ignorant.
* In ''VideoGame/WarcraftIII: Reign of Chaos'', at the end of the story mode, as Archimonde climbs closer to the World Tree, Malfurion blows the Horn of Cenarius and summons the wisps of the ancient forests of Mount Hyjal to defeat Archimonde.
* ''VideoGame/WorldOfWarcraft'' has quite a few equippable horns that summon robots or undead Vikings or whatnot to help players. Ironically, since item slots are limited and none of the summoned creatures are especially powerful, they're mostly VendorTrash.

* Parodied in ''Website/TheOnion'': [[http://www.theonion.com/video/should-obama-blow-the-silver-horn-the-founding-fat-36011 Should Obama Blow The Silver Horn The Founding Fathers Left In Case The Country Ever Needed Them?]]

** ''VideoGame/OracleOfSeasons'' has a horn that summons an animal companion.

* In ''Literature/ASongOfIceAndFire'', the Horn of Winter is said to have the power to bring down the continent-spanning Wall that keeps the undead Others from attacking the realms of the south.