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 High-Melody Vocals (11–20)
After Epochssasakure.UK

“After Epochs” is a track by sasakure.
UK, released in May 2024.
It was issued as part of Project VOLTAGE, a collaboration between the Pokémon series and Hatsune Miku.
Its unpredictable song structure is quintessentially sasakure.
UK.
It also incorporates Pokémon BGM and sound effects, making it irresistible for fans of the series.
Beyond the abundance of high-register parts, the complexity of the melodic lines further contributes to the song’s difficulty to sing.
Future Evesasakure.UK + Yukei Rampage

A track by sasakure.
UK and Yukei Rampage that exquisitely pairs cutting-edge sound with Hatsune Miku’s cute vocals.
It was included on the album Hatsune Miku “Magical Mirai” 10th Anniversary OFFICIAL ALBUM, commemorating the 10th anniversary of the “Magical Mirai” music event themed around Hatsune Miku.
The song celebrates the courage and hope to accept everything—dreams and reality, happiness and unhappiness—amid a changing world and life.
If you’re up for a high-difficulty singing challenge, give it a try!
The finale is yours.Aira

This song is a Vocaloid track that shines with profound emotional expression, centered on themes of self-denial and inner conflict.
Released by Aira in September 2022, it placed 8th in “The VOCALOID Collection ~2023 Spring~.” Its lyrics, which convey loneliness and despair in a direct, unfiltered way, resonate deeply with listeners.
Bottling up emotions and lashing out at oneself—listeners can’t help but empathize and become emotionally immersed.
When you want to face your own weakness, try singing this song.
Dance of VenusNayutan Alien

Nayutan Seijin, a Vocaloid producer beloved for his alien persona.
The track “Dance of Venus” is included on the album “Express Train to the Planet Nayutan,” which he created together with the singer Sou.
Here, we’ll introduce the VOCALOID version sung by Hatsune Miku.
This piece is a high-energy song featuring an up-tempo sound and sampled male shouts.
Its straightforward focus on celebrating the joy of dancing is really appealing.
If I could become someone's heartYurii Canon

You can tell from the intro alone that this song is on a whole other level.
It’s a track by Vocaloid producer Yuri Cannon, who’s also active as a composer for the band Tsukuyomi, released in 2018.
It’s a rock number with powerful loudness, yet it somehow feels beautiful—perhaps thanks to its polished melody line.
The lyrics, which delve into the meaning of life, add a rich depth as well.
If you can pull this song off, it’s unbelievably cool, so be sure to show it off the next time you go to karaoke with friends or your partner!
Six Trillion Years and an Overnight Storykemu

Released in December 2012, this song is a classic, notoriously difficult Vocaloid track! It has a Japanese-style vibe with a very relaxed intro, but the tempo suddenly speeds up and the lyrics become extremely dense.
You’ll need to be mindful of stamina, lung capacity, and quickness, but it’s highly recommended if you love fast songs! The key to singing the rapid-fire sections is not to try to articulate every single consonant, but to clearly pronounce the vowel sounds that carry the accents.
That will help you lock into the rhythm and sing more lightly.
With fast-tempo songs, above all, you have to memorize the lyrics; otherwise, when you sing it at karaoke, you’ll end up just chasing the words and sounding vague.
I recommend first being able to hum the melody, then adding the lyrics afterward!
Challenge your limits! A collection of Vocaloid songs with high keys and soaring melodies (21–30)
The Howling of the Lost OneNeru

This is a song that gives full voice to inner feelings spun in the context of school life—those inescapable, frustrating emotions that you just can’t shake off.
It has resonated with many listeners, reaching 10 million views on video platforms, and can truly be called a song that stands beside its audience.
The intense band sound and fast, high-energy melody are impressive and undeniably cool on their own.
Still, the greatest strength of this track lies in the message conveyed by its lyrics.
When you’re weighed down by unresolved feelings, why not try shouting it out at karaoke?