cosMo@Bousou-P Popular Song Ranking [2026]

Kagamine Len’s RampagecosMo@bousou P15rank/position

http://www.nicovideo.jp

A song by cosMo@Bousou-P, who sparked a massive boom on Nico Nico Douga with ultra high-speed melody tracks.

It’s one entry in the “Had a Vocaloid Speak My Original Song” series.

The speedy, mixture-style sound pairs perfectly with Len’s crisp vocals—so cute!

Dr. RealistcosMo@bousou P16rank/position

Dr. Realist – cosMo@Bousou-P feat. Kamui Gakupo

One song from the “Hoshi no Shoujo to Gensou Rakudo” series produced by cosMo@Bousou-P.

When the video was released in August 2011, its majestic worldbuilding captivated many fans.

It features philosophical lyrics that confront those who flee into fantasy with reality, and Kamui Gakupo’s rich, resonant vocals.

The dark symphonic sound is irresistibly addictive, too.

Immerse yourself in this world and feel like the protagonist of a grand epic.

Utahako://KcosMo@bousou P17rank/position

Kagamine Rin and Len – Utahako://K

This is a work by the famous Vocaloid producer cosMo@Bousou-P, known for The Rampage of Hatsune Miku, The Disappearance of Hatsune Miku, the Imaginary Garden series, Hoshi no Shoujo to Gensou Rakudo, and more.

In this release, the song UTAHAKO, originally sung by Hatsune Miku, is self-covered with Kagamine Rin and Len.

Their back-and-forth is adorable.

The Demise of Hatsune MikucosMo@bousou P18rank/position

Hatsune Miku’s Demise (2018 Remake) – cosMo@Bousou-P

This is a song called “The Demise of Hatsune Miku,” sung by Hatsune Miku.

It was released in 2009 by cosMo@Bousou-P, a Vocaloid producer.

Its unique worldview and mystical tone are incredibly captivating—dreamy with a touch of eeriness.

Once you hear it, you’ll definitely be hooked.

It is included on the album “InfiniteHOLiC: Eternal Circular Dependency.”

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Yoimachi Jēn

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Colorful VoicecosMo@bousou P19rank/position

Colorful Voice – cosMo@Bousou-P feat. Hatsune Miku & GUMI (from Taiko no Tatsujin)

It’s a song packed with quintessential Vocaloid-level techniques and an extremely dense number of notes.

Just listening to it keeps your ears busy, but actually singing it would probably feel amazing! Since the tempo is fast, make sure the two of you synchronize your breathing and keep the rhythm from slipping!

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Murakami Shinpei

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Dead Man’s BalladcosMo@bousou P20rank/position

Deadman's Ballad – cosMo@Bousou-P feat. Hatsune Miku & Otomachi Una

An intense, high-volume electric tune that creates a Halloween vibe through its vocal work.

It’s a track by cosMo@Bousou-P, a Vocaloid producer also known as the creator of “The Disappearance of Hatsune Miku -DEAD END-,” released in 2020.

The real charm is, above all, the sound.

The way it grows more hardcore as the song progresses is irresistible—you’ll find yourself wanting to turn up the volume.

And the word choices are so quintessentially cosMo@Bousou-P.

Pay attention to the lyrics that incorporate internet slang, and definitely give it a listen.

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Araki Jakkan

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Dero dero dero decosMo@bousou P21rank/position

Deroderoderode – cosMo@Bousou-P feat. Hatsune Miku

The overwhelming sense of speed and the experimental structure packed with BPM changes are seriously addictive! This piece by cosMo@Bousou-P is set for release in February 2025.

First off, that thrilling feeling of never knowing when the next development will hit is just the best.

The lyrics compare music to slime, and the fast/slow BPM—mentioned earlier—corresponds to each section, reflecting how firm or soft the slime is.

Don’t miss this unique world that only cosMo@Bousou-P could create!