As yet unrecognized genre of the music that originated on the Internet, more specifically YouTube. Some people claim to be the creator of it, but since the original account is no longer active (and no one even remembers what was the nickname of the person) those claims cannot be proved.

The main characteristic of nightcore is its high pitch often accompanied by fast beat. Very often songs that were remixed into trance, are later on remixed one again into nightcore and so many nightcore songs have trance-like characteristics.

Even though almost any song of any genre can be nightcored, trance and techno songs, as well as electro music and all types of dance music (here especially eurodance) are most often used. Some rock and pop songs are also nightcored. Rap and metal are the two genres that are heavily avoided, and there are very few songs remixed into nightcore.
-Is nightcore the same like trance?
-No, it's not.
by nightcored_heart February 28, 2011
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A subgenre of trance that has been bastardized in recent year by people who think all nightcore is is a sped up or high pitch version of a song with no further work when in actual nightcore you add original music to the song to make it a nightcore song.
"What are you listening to?"
"A nightcore version of some song."
"But all they did was speed it up."
"Ya"
"That's called speeding it up or chipmunking, not nightcore"
by Mad Mod April 13, 2015
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Is Japanese slang for, "Faggot weebs"
Japanese man #1 You're a nightcore maker
Japanese man #2 Nani!
by tr yungblood June 6, 2018
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On November 6, 2006 a youtube user nicknamed Cuteangel43802 uploaded the AMV called:
Kingdom Hearts: Dont You: Nightcore

And this became the beginning of the nightcore style. The word “nightcore“ was included in the title, as well as under the video as a “music artist“, rather than “singer“ or “group“, and so it was interpreted to be nickname of the person remixing (i.e. high pitching) the song.

Eventually anyone high-pitching the songs would call themselves nightcore (but to distinguish themselves they would add a word, letter or a number before or after the word), and as the amount of people doing it increased, the meaning transferred to the song genre, rather than the person.

Nightcore can include any genre, because the word itself means “high-pitch“, so it is much broader term than “happy hardcore“ and although some “happy hardcore“ songs can be also called “nightcore“, not all “nightcore“ songs can be called “happy hardcore“.

Wikipedia defines “nightcore“ as a name of a band, but whether there is a connection between the youtube nightcore community and the band is unknown. Possibly the name was directly or indirectly taken from the name of the band, but there is no definite proof for this. It may have been as well a coincidence.
“What genre do you like the most?“
“Hmm... techno trance. How about you?“
Nightcore techno trance.“
“What’s that?“
“It’s just like a techno trance, but high-pitched“
by lily_night March 7, 2011
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The name of a electronica duo from Norway. Nightcore consists of Thomas S. Nilsen and Steffen Ojala Søderholm from Norway, Alta.
Nightcore creates happy hardcore music like Dam Dadi Doo
by just_a_listener February 15, 2012
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The second worst music type I've ever heard pople like it idk why (the first is kpop)

The pitch level is so higher than the normal and I guess its copyright free because some youtubers use it there is something called COPYRIGHT FREE SONGS
I just listened to a nightcore music and I hated the way that they turned the song to
by Elementsel04 July 3, 2020
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Probably one of the saddest excuses of a genre, nightcore is a type of music that is a piece of already existing music sped up or pitch shifted, making it questionable if its actually a genre or not, though a genre would assume that is purely made up of original songs. In its history, people have said that it is low effort and requires no talent other than the ability to pirate music and use windows movie maker.
Person1: Have you heard of nightcore?
Person2: Yes and i think it is low effort and therefore bad.
by Sorowa August 28, 2020
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