Challenge your limits! A collection of Vocaloid songs with high keys and soaring high melodies
Many people probably have the impression that “Vocaloid songs have high keys.” In fact, the pitch range you can manipulate with synthetic vocal software is quite wide.
If you own one, you know—you’ve probably tried making it sing at absurdly high pitches, right? In this article, I’ve put together a list of Vocaloid songs with high keys! I think it’s a playlist that can help you choose songs for karaoke or cover videos.
Strictly speaking, in music theory there’s a difference between “a melody that includes high notes” and “a song with a high key,” but I’ve kept things loose here to be more accessible.
By all means, challenge the limits of your own vocal cords!
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Challenge Your Limits! A Collection of Vocaloid Songs with High Keys and Soaring Melodies (31–40)
Cute Girlfriendsyudou

Although already a Vocaloid producer with many hit songs, syudou became widely known thanks to the massive success of “Usseewa,” which he provided to the female singer Ado.
This track features breathy, lifelike vocal tuning and lyrics that verbalize unstable emotions, creating a strong impact.
With its high starting key, intricate melodic turns, and rapid phrases, it exemplifies the difficulty of modern, evolved Vocaloid numbers.
Precisely because of that, it’s a song I’d love for you to try in karaoke—though it’s a pretty high-difficulty piece.
collapse; fainting spell (colloquial/slang)iyowa

A track by Vocaloid producer Iyowa, who made their debut in their second year of high school and took their name from having a weak stomach.
The slightly unstable yet cute intro, the catchy pop melody that sticks in your ears, and the arrangement that seems to blend both drive and weightlessness make a strong impression throughout the song.
With its fast tempo, high key, and tricky elements like sudden beat changes mid-song, you might find it difficult to sing perfectly at karaoke.
However, precisely because of that, it feels great if you can make it through—so try singing it with the intention of pushing your limits.
Goodbye DeclarationChinozo

From digital sounds to full band arrangements, the widely crossover musical style of Vocaloid producer Chinozo has garnered strong support, especially among younger listeners.
This track, which has surpassed 60 million views on YouTube and inspired numerous covers by singers and parody versions by YouTubers, has become one of Chinozo’s signature songs.
With rapid-fire lyrics, tricky breathing points, and a melody that demands the high pitches characteristic of Vocaloid numbers, it looks like a real challenge to get through even at karaoke.
Precisely because it’s tough to sing, this piece lets you experience one of the most exciting appeals of Vocaloid music.
EliteChinozo

Chinozo is a Vocaloid producer who delivers songs with a pop sensibility to listeners.
He has created numerous Vocaloid tracks, including the viral TikTok hit “Good-bye Sengen.” Among his works, one of the highest-key songs is “Elite,” released in 2021.
Its down-to-earth lyrics over a danceable beat are truly moving.
Kafu’s vocals, perfectly matched with the soft, airy melody, are adorable—mechanical yet somehow brimming with human emotion.
If you’ve ever been told you have a “cute voice,” definitely try challenging yourself with high-tone vocals!
KINGKanaria

A high-sense dance tune that makes your body move on its own.
It’s a track by Vocaloid producer Kanaria, who drew attention with the debut song “Hyakki Matsuri,” released in 2020.
Its biggest hallmark is the rolled-tongue style of tuning.
The vocal work, which at times even sounds like English lyrics, blends with the stylish sound to create a one-of-a-kind world.
As you’d expect from a fast-tempo song, the melody is full of speed as well.
It’s a Vocaloid track with a fairly high difficulty level to sing at karaoke.
Pushing the Limits! A Collection of Vocaloid Songs with High Keys and Soaring High-Melody Vocals (41–50)
I’ve been alive for 1,000 years.iyowa

The key height is one factor, but the off-axis rhythms also contribute to the increased difficulty.
This song, released in 2020, is by Iyowa, a Vocaloid producer whose distinctive style captivates listeners and won’t let go.
Centered on a girl who has lived for a thousand years in a painted world, its mysterious setting is addictive after just one listen.
Iyowa’s songs are all challenging, but because they’re popular there are many cover videos, so definitely search around and use your favorites as references.
Donut holehachi

It’s a distinctive piece whose crisp band sound and the various instrumental tones sprinkled throughout the track mesh perfectly, making it endlessly listenable.
Created by Hachi, a legendary figure in the Vocaloid scene, it was released in 2013.
With philosophically resonant lyrics that feel great on the tongue, a bouncy rhythm, and the captivating sound I mentioned earlier, it’s a hugely popular work that has won over many listeners.
The melody line is rather understated, so you might not notice it at first, but when you try singing it, you’ll realize how high the key is.
Still, it’s a masterpiece that makes you want to sing it even if you can’t quite hit the notes.


