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[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!

[Challenge] A Collection of Difficult-to-Sing Vocaloid Songs (11–20)

severing ties; breaking off a friendshipNakiso

Breakup / Kaai Yuki・NurseRoBo_Type T
Guidelines for avoiding a falling-out

This is a highly avant-garde track where a steady, matter-of-fact progression intertwines with hopeless lyrics.

Created by Nakiso, it was released in November 2023.

It features an ominous, addictive sound and is built around a horror concept.

The music video, crafted by illustrator and filmmaker Ryusei, has a thrilling finish.

That eerie vibe really becomes irresistible, you know? It’s a song with a different kind of difficulty than simply being “high in pitch” or “fast in melody.”

Hardcore daydreamerDynamic Jienzus

If you want to sing a high-energy song, this one’s for you—Dynamic Jienzu’s “Yumemi Gachi-zei” might be perfect! Released in November 2022, this track is a blast from start to finish, with relentlessly high-tension sound and vocal work.

It makes you want to crank the volume way up.

The lyrics, which sing of the passion for chasing dreams, are also memorable.

Be sure to capture that upbeat vibe with your vocals!

Jugemuvuvuzela

Jugemu / Vuvuzela ft. Seikai
Jugemu Vuvuzela

This work, released by Bubuzera in December 2023, is inspired by the rakugo piece “Jugemu.” Its standout feature is lyrics composed solely of the extraordinarily long name that appears in “Jugemu.” By switching musical genres between parts, it presents a multifaceted take on “Jugemu.” You might get a sense of the freedom of “expression” from this song.

It’s killing two birds with one stone—why not give it a try as if you were memorizing rakugo?

thermal anomalyIyowa

Heat Anomaly / Iyowa feat. Rei Adachi
Heat anomaly weak

Released in 2022, Heat Anomaly is a track composed by Vocaloid producer Iyowa.

It won first place in the overall rankings at VocaColle 2022 Autumn the same year.

This song is an irresistibly cool Vocaloid tune, flowing from rapid-fire vocal parts into a polyrhythmic interlude.

The repetitive, mechanical melody and beat programming that blends in breakbeats are seriously addictive! Experience this meticulously crafted music for yourself.

Zundoko☆Don-don-dooon!South of South

Zundoko☆Don Don Dooon! / Minami no Minami feat. Zundamon
Zundoko☆Don-don-dooon! Minami no Minami

An energetic and catchy electro tune crafted by Minami-no-Minami.

Released in 2024, it features Zundamon’s clear and adorable vocals as a highlight.

Both the sound and the lyrics push a bright, fun vibe to the forefront, brimming with positive energy.

You might even find yourself grinning at how the song’s bursting feelings of love are portrayed.

Give this cute Vocaloid track a try!

CheaterholicDYES IWASAKI

[MV] DYES IWASAKI – Ikasama Holic feat. Hatsune Miku #FAKETYPE. [#ElectroSwing #Vocaloid]
Cheating-holic DYES IWASAKI

This is the perfect track for anyone looking for an upbeat, funky tune.

Released in November 2024, it showcases DYES IWASAKI’s talent to the fullest.

Built on an electro-swing foundation, the sound is paired with Hatsune Miku’s dignified vocals, creating a uniquely captivating world.

The lyrics depict the mindset of a swindler, skillfully expressing the intersection of thrill and desire.

You’re sure to get hooked on the rhythmic beats and addictive melody!

[Challenge] A Compilation of Vocaloid Songs That Are Hard to Sing (21–30)

Goblin shark?Hiiragi Kirai

Loveka? / Hiiragi Kirai feat. flower
Goblin Shark? Kirai Hiiragi

“Loveca?” is known as one of the signature songs by Hiiragi Kirai, a Vocaloid producer with numerous hits.

The track drew attention alongside a cover version by Ado.

It unfolds a hefty electro sound laid over the breezy rhythm characteristic of swing jazz.

Mastering Flower’s vocals, which display a wide range of expressions, can be challenging.

In the chorus, where rhyme is used frequently, the key is to deliver a rhythmic performance without running out of breath.

Why not try tackling a Vocaloid song that takes a cynical look at themes like “love” and “lies”?