[Challenge] A compilation of Vocaloid songs that are difficult to sing
One of the appeals of Vocaloid is that it sings exactly as the creator intends.
Because of that, there are tons of songs built with innovative vocal work—like high tones and ultra-fast melodies that are hard to reproduce with human vocal cords!
This time, we’re introducing Vocaloid songs that are difficult to sing!
It’s recommended for those who want to challenge their limits or acquire new forms of expression.
It might be surprising, but slow ballads also make an appearance.
Be sure to check it out to the end!
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[Challenge] A Compilation of Difficult-to-Sing Vocaloid Songs (1–10)
Are you okay?cosMo@Bousou-P

The piece “Daijobu desu ka?” by cosMo@Bousou-P was released in 2023.
It was created as an entry for the song contest for “Project SEKAI COLORFUL STAGE! feat.
Hatsune Miku” and was successfully selected.
The frequently shifting tempos and sudden changes in the song’s development are so characteristic of cosMo@Bousou-P.
Before you know it, you’re drawn into its world.
Keeping the rhythm might be the hardest part.
No!!!Dynamic Jienzus

If you’re confident in your high-tone voice and articulation, this is the song for you! “Chigau!!!,” released in 2016 by Carlos Hakamada under the name Dynamic Jien’s.
It’s an ultra high-energy track that will absolutely lift your spirits! The back-and-forth between Miku and Una is genuinely fun.
But—well, in other words—it’s a duet number.
So reproducing it solo is pretty tough.
It might be best to tackle it with a friend who’s confident in their singing.
Decide on your breath timing so you don’t run out of air!
Yamada PERFECTjon-YAKITORY

This work pairs an energetic, punk-inspired sound with Hatsune Miku’s lively vocals.
Released by jon-YAKITORY in July 2024, the song explores themes of love for a “perfect form” and feelings of loneliness, sharply capturing the pressures of modern society.
Its exhilarating pace and profound message resonated with many listeners.
If you’re looking to take on a high-intensity track, this one is a must!
[Challenge] A Collection of Difficult-to-Sing Vocaloid Songs (11–20)
Cute Girlfriendsyudou

The key is how to express this distinctive vocal work and singing voice.
This song was created by syudou, a well-known Vocaloid producer famous for working on Ado’s smash hit “Usseewa,” and it was released in 2021.
The yandere-tinged lyrics and enigmatic tone of the track grip listeners and won’t let go.
It may be important to focus on the use of breaths and a slightly whispered delivery.
The tempo isn’t particularly fast, so take it calmly and give it a try.
Be sure to check out the related songs “Kareshi no Jude” and “Day by Days” as well!
utter scumNakiso

“Doukuzu” portrays a love so intense that it becomes overbearing.
Created in 2022 by Vocaloid producer Nakiso, the song drew attention for its unique theme.
It depicts a moment when unfiltered emotions overflow in the face of an unforgivable act by someone dear.
The electro sound layered over a heavy beat conveys a subtly thrilling atmosphere.
Delivering a vocal that is both mechanical and rhythmically precise is a challenging point.
The key is to match Yuki Kae’s girlish voice and bring out a dark worldbuilding.
Try singing as if speaking to someone, expressing quietly swelling emotions.
tsuzumigusaIyowa

It’s a song where beauty and fragility coexist.
Created by Iyowa, this track is a tie-in with Sanrio’s cross-media project “Mai Mai Maigoen” and was released in January 2023.
It delicately portrays the inner conflict and sense of duty of the lion character, resonating deeply with listeners.
Iyowa’s signature sound and the song’s driving momentum blend perfectly with the story’s worldview.
It has earned widespread support, achieving over two million views on YouTube.
The chorus is notably challenging.
YababainaSatapan-P

This track portrays a chaotic worldview.
It was released by Satapan-P in February 2024.
While rooted in J-core, it features a distinctive sound that also incorporates elements of pop and electronica.
The lyrics embed irony and a critical perspective on contemporary society, woven with eccentric wordplay.
It’s a recommended song for those who want to experience innovative expression or explore new possibilities in Vocaloid music.