What is a Nico Nico Chorus?

June 11th, 2014 – After four years since posting this post, it has become  one of, if not the, most popular post on this site. When you search NNC, it’s one of the first things to come up! So I’m reworking this post to better answer some questions I see popping up all over the place.

But again, I’m no expert. NNC are just a fan thing done by a random people so information is a bit scattered all over and a lot of this is just speculation and conjecture.

What is a Nico Nico Chorus?
A Nico Nico Chorus is a mix of tracks posted to Nico Nico Douga. There is no real group you join and generally are not sung together. Someone unrelated usually finds the mixes on NND and puts them together to create the chorus in the format you’re most familiar with. I’m sure it’s a lot more complicated and technical than that but as a cute and dry: someone posted themselves singing to NND, someone else mixed a bunch of people singing the same song together, chorus happens.

How do you make a Nico Nico Chorus?
Well I’m sure you could just slap a bunch of songs on top of each other if you knew a bit about sound and making sure it sounded decent. As for the videos, it would probably depend on the video editing program of your choice.

How do I get in a Nico Nico Chorus?
You’d have to post your video of your cover to NND first and foremost. I’m sure it’s up to the discretion of whoever is making the chorus since I sincerly doubt there’s a secret colab group though a lot of utaite seem to get along pretty well.

However, for Youtube Choruses, I’ve seen people posting requests for utaite to join them or even sending messages asking people to sing a song or join them (I’ve gotten these messages and I’ve never posted anything of the sort sooo). It’s unlikely NND has something of the sort and there’s no asking the original utaite at all. It’s a community effort rather than done by secular groups, as in the YT utaite community.

Where can I find Nico Nico Choruses?
A question I actually do know about, haha. The most prominent uploader to youtube is AnotherNicoUploader who has been at it for years.  RiNxJULiET seems to post a lot as well as YT done choruses? Seiryuudo posts a mixture of things as well, both NNC and YT chrouses.

However since I’m only interested in NNC, I usually go straight to Nico Nico. Generally, 合唱 is the tag for choruses but all chorus so it’s a real catchall and you might not find exactly what you’re looking for. 合わせてみた will narrow it down but is still pretty vague and turned up less results, imo.

Sometimes it’s helpful to just find one real good chorus and investigate the mylist of the person who created it. It should lead you to other things they’ve created and eventually to other well done choruses. In the  image below, the mylist link at the bottom of that description lead back to the creator, for instance.

But where/how can I find the covers of those nico nico people when they are NOT in chorus-form?
Don’t worry, this is usually pretty easy to find and why I mostly use NND to find tracks. Most videos list the singer in the video but if you can’t read their name, don’t fret.

Pretty much every chorus I’ve seen (that hasn’t been a re-up by someone else) lists the people involved on the original NND page, as seen above. It would be rude not to credit them, right? It won’t always look that way but should give you an idea of what to look for. If you don’t have a link to the original NND (which would be hella rude of whoever reuploaded it to YT, frankly) then you’ll have to search around NND for awhile unfortunately, haha.

Are only VOCALOID songs covered in Choruses?
Generally they’re more popular as choices but there have been some popular anison choices as well. Really, the chorus depends on two things: 1. a lot of people covering the same song and 2. the video creator of the chorus caring enough to do a chorus of the song. But yeah, I for one love anison choruses but they are scarce at times and may require more searching.

I’ll update some of this in more detail at a later date as well as create a few pages dedicated to specific types of choruses. If you want to correct me or have something to add, by all means leave me a comment. The more accurate I can make this, the better the growing world of utaite fans will be!

Old Text (March 26, 2010)

Some may scoff at the question and say ‘duh!‘ but there is a always a point where you learn something new or discover something you have no idea about. So asking, ‘what is a Nico Nico Chorus?‘ is a perfectly okay question. “He who asks a question is a fool for five minutes; he who does not ask a question remains a fool forever” is a proverb I myself live religiously by. Therefore, I shall try and give as much of a detailed answer as I can to this question!

Simply put: it is a group of people of any number singing a, usually popular, song that can be found on Nico Nico. Such as an anime OP/ED, a Vocaloid song, from a Touhou MAD or arrangement, etc. Whatever, really. These singers have all, originally, individually posted a video of their cover of one song. Another person brings together these videos of each individual singer and then adds them together to create one track of all the different covers to create the chorus. Then what happens next differs for each song and the person/people collaborating this project must edit the video that will go on Nico Nico. They can edit the video (if the song original had one, such as a OP/ED or MAD) to include the names of each singer involved. Usually this is done, and most famously, in the style that most would recognize from Nico Medley’s by having a box with the singers name it and a character that they represent/sound like (or whatever other theme there is for the song). These usually help show who is singing at what time or simply stay put throughout the whole song. This depends on the skill of the collaborator.  Another alternative is, of course, simply adding the song to the video itself with nothing fancy added on or simply write the names of the singers, etc. If the song has no video or if it is the full version of a OP/ED, then one may just add a plain image. Sometimes, rarely I find, special cases pop up where an entire video has been created around the chorus.

Who gets into these choruses? As I said, I believe the basic operation is to select singers that are scattered around Nico Nico with covers of there own. There may be other collaborations that act differently though. How big or small can they get? I believe in some cases there have been only two people singing and that has been labelled a NNC but that is all up to you. Personally, I find that 4+ qualifies as a chorus group for me. The largest I have seen has been 200+ people. Who creates them? I honestly couldn’t tell you. I do believe there is a group on Nico Nico for people who create these videos though. Can I myself be apart of one of these choruses? I see this question a lot on youtube. (There are a lot of mimic choruses too on youtube, if you’re interested in that) Usually, the question is followed by ‘if I post myself singing on Nico Nico will I wind up in one of these too?‘ to which somebody usually replies ‘idk maybe’ which is about a good answer as any. Although, personally, I don’t think it happens often. Sorry.

Well, that is the best I can do for you guys! Some of this I’ve put together through speculative thought and experience. Other info is from random tidbits I learn from on youtube, blogs and Nico Nico. But hopefully I haven’t rambled on and on and this has been of some help to somebody.


A Basic High-Quality Chorus

A Unique Chorus with A Specialty Made PV and Song arrangement

A Chorus with a Large Group



  • Nopy

    March 27, 2010

    I’ve seen a few choruses in the past few years. They’re pretty entertaining.
    .-= Nopy´s last blog ..Megami Magazine Vol. 117 =-.

  • Flags

    April 20, 2010

    I love that Romeo and Cinderella one. Well except for the huge bleep in the middle. There are some pretty good “Melt” choruses as well.

  • Veena

    April 21, 2010

    Excuse me, but do every chorus has to have a vocaloid/utau or is it okay for other normal humans-people-to sing a track and post it?
    Are anime characters able to be added in as well?
    i just discoverd Nico Nico Choruses today, and your post helped me a lot. ^______^

  • Fang-tan

    April 22, 2010

    @Flags – Yeah, the beep annoys me but I can pretty much ignore it. The song is that great, haha.

    @Veena – Usually it’s people who sing their own version of a song but I’ve seen a few vocaloid choruses where all or a few of them sing the same song. It’s not as nice but it is quite interesting. Some people sing as anime characters, if thats what you mean. For instance, Nayuta is known for being able to imitate Haruhi Suzumiya when she sings. I hope that helped~ :3

  • Airis

    February 8, 2011

    i like every nico nico chorus vocaloid video

  • doko51ck

    May 4, 2011

    Ok. I know how the chorus works, yada yada, but how do you MAKE one? I mean, how does the person extract the voices of the singers? Is there a kind of reverse karaoke feature for some lesser-known audio mixer? If you don’t know that’s fine, just wondering. ^.^
    Thank you!

  • MiKaRedd

    June 16, 2011

    Thanks so much for the help~
    I love the ‘Just Be Friends’ one.

  • Tiffany

    July 4, 2011

    Thank you so much for posting this up! I sort of learned about this a couple minutes ago (I think I’ve heard it mentioned before…). I wonder who I sound like?

    With my 8 years of choir training I could possible get into some youtube versions of an nnc.

  • JaeHee

    September 24, 2011

    Wow, i have a friend who is in this group, i never knew she would end up famous! please keep track of all the songs ! ^^

  • Wolf

    December 29, 2011

    But where/how can I find the covers of those nico nico people when they are NOT in chorus-form?

  • Fang-tan

    December 29, 2011

    @Wolf Usually the NicoNico page for the chorus lists back to the original version or their mylist. That’s been my experience in most cases, anyways.

  • Someone

    April 11, 2014

    Which program do you use to make a nico nico chorus?

  • Seiryuudo

    August 13, 2015

    Heh… I’m not only posting choruses, I’m also creating some of them ;p
    Ah and its not enough to slap versions on each other, you better remove the instrumentals first, which is actually really the trickiest part of the whole process ;)

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