Kei’s Most Popular Songs Ranking [2026]
KEI, who is active solo as a Vocaloid producer, is Hayashi Kei—the vocalist and guitarist of the rock band NO LEAF CLOVER.
His guitar-driven sound and subtly cynical songs are particularly captivating.
We’ve compiled some of his popular tracks.
Be sure to check them out.
Kei’s Most Popular Songs Ranking [2026]
clownkei1rank/position

It’s a bittersweet yet warm song that portrays the inner world of a circus clown.
Composed by KEI, it was released in June 2010.
The lively tempo and rock-tinged sound are striking.
And the depiction in the lyrics—of a clown who, through his interactions with a young girl in the audience, gradually regains his true self—is deeply moving.
The kindness conveyed through straightforward words is truly wonderful.
I think it’s a song that especially resonates when your heart is tired.
Hello,Workerkei2rank/position

This is a Vocaloid song I’d like to give to working adults who are doing their best.
It’s by KEI, the Vocaloid producer also known for “Pierrot” and “Hashire,” and it was released in 2011.
It’s a catchy rock number with a very easy-to-listen-to feel.
The lyrics convey the heartfelt thoughts of a protagonist who’s writing a résumé to try to get a job, and they really hit home.
It’s a masterpiece of Vocaloid that stirs the emotions, making you think, “I used to be like this…” or “This is exactly my situation right now,” and empathize before you know it.
Runkei3rank/position

It’s a work that sings that no matter what feelings you carry, you can only keep running—radiating a strong will.
The song is by KEI, also known under the name Hayashi Kei, and was released in 2012.
GUMI’s powerful vocals match perfectly with the rhythmic drums and driving guitar sound.
This is the very definition of emotional rock.
It might especially fire you up if you listen to it before a match you can’t afford to lose.
Turn up the volume and take in the lyrics as you listen.
I GoKei (김지연)4rank/position

This is the solo debut work by Kei, a member of Lovelyz.
The lyrics say that when you feel like you have nowhere to turn, having someone who reaches out a hand can help you look forward and keep walking.
Kei’s clear, gentle voice wraps around you and gives you courage.
It’s also a motivational song that features the lyrics “Over and Over,” which is the album’s title as well.
Please give it a listen when times are tough.
YOU KNOW ME BETTERkei5rank/position

Lovelyz, the idol group that went on hiatus in 2021.
They were active in the 2010s, and each member is now thriving in her own field.
Among them, Kei is gaining popularity as a musical actress and singer.
Her new song is “YOU KNOW ME BETTER.” True to her musical-theater background, her emotionally rich vocals are moving.
If you’re looking for a song that will make you cry, be sure to check it out.
towerkei6rank/position
It’s a guitar rock track that blends freshness with a touch of melancholy.
The song is by KEI, a Vocaloid producer also known as Hayashi Kei, and it was released in 2009.
Its full-bodied band sound is irresistible for rock fans.
The lyrics—“I’ll sing not for just anyone, but for you”—are strangely encouraging.
Luka’s straightforward vocals shine as well.
It’s included on the compilation album “VOCAROCK collection feat.
Hatsune Miku,” so be sure to pick it up if you’re interested.
Momentkei7rank/position
The relaxed guitar arpeggios leave a strong impression.
This song by KEI, a Vocaloid producer who also works under the name Hayashi Kei, was released in 2008.
It sings about the “now” spent with someone precious and is incredibly pleasant to listen to.
The emotional feel of the chorus is also fantastic.


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