Also active as a vocalist of Soulflex! A popular song by SIRUP
Singer-songwriter SIRUP, who previously performed under the name KYOtaro.
During his school years, he discovered Black music, and his songs—fusing neo-soul, R&B, gospel, and hip-hop—have continued to captivate fans.
He has also achieved remarkable success for a domestic R&B artist, delivering a performance on the main stage at FUJI ROCK FESTIVAL ’21 despite it being his first appearance at the event.
This time, we present a ranking of SIRUP’s most popular songs!
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Also active as a vocalist of Soulflex! SIRUP’s popular songs (1–10)
Not AISIRUP8rank/position
SIRUP’s “Not AI,” released in 2026, is a track that seems to express a world where digital technology is advancing through its powerful sound.
The structure—pounding, resonant beats, sprightly sounds layered on top, and repeating vocals—also conveys a digital vibe.
The song was featured in the 2026 commercial for the Professional University of Information and Management for Innovation (PUIM), aligning the indispensable digital technologies for humanity with the music to make its appeal.
It evokes an image of progress toward the future, connecting the trajectory of digital development so far with the evolution of technologies to come.
BE THE GROOVESIRUP9rank/position
SIRUP is an R&B and hip-hop singer-songwriter from Osaka.
His track “BE THE GROOVE,” as the title suggests, features an irresistibly rolling groove.
Starting with a rap right after the intro, the song initially feels strongly hip-hop, but in the chorus it shifts suddenly into a mellow sung section, instantly drawing you into his world.
Pay particular attention to the bass in this track.
In the chorus, the effective use of slides—playing technique that smoothly connects notes—creates the song’s pleasant groove.
ChangeSIRUP10rank/position
SIRUP has many songs that create a very mature, moody atmosphere.
The song “Change” carries a message that you can transform by seeking freedom just as you are.
The lyrics have a lot of English, which gives it a stylish feel.
It could be interesting to translate the Japanese parts and delve deeper into the meaning of the lyrics.
The song plays over the end credits of Shiseido MAQuillAGE’s short film “Touching,” which clearly expresses a sophisticated, adult worldview—definitely worth checking out!
Also active as a vocalist of Soulflex! SIRUP’s popular songs (11–20)
GOSIRUP11rank/position
This commercial, featuring the song “GO” produced by SIRUP, is titled “MINI CAMDEN EDITION feat.
SIRUP.” The voice of SIRUP—an emblem of sophisticated, urban neo-city pop—highlights the appeal of MINI’s special edition.
SIRUP’s tracks have previously been used in car commercials as well: “Do Well” for Honda’s Vezel and “BREAKTHROUGH” for Nissan’s Kicks.
His stylish songs pair perfectly with the vibe of car ads, don’t they?
KIRA KIRASIRUP12rank/position
A dazzling track from SIRUP that shines against the backdrop of the city at night.
Released in September 2025, this song serves as the lead track from his first album in about four and a half years, OWARI DIARY.
Its driving dance beat and radiant synth tones create a rush of exhilaration, like speeding down a highway after dark.
The lyrics depict emotions that keep moving forward while wavering between impulse and hesitation, almost like reading a story.
Although it doesn’t have a specific tie-in, it’s perfect for nights when you want to forget the everyday and sink into a pleasant groove.
Be sure to listen closely and savor the lyrics.
Need You BadSIRUP13rank/position
In recent years, SIRUP has been at the forefront of the J-POP scene as an artist crafting contemporary R&B.
This track, which opens the EP “CIY” released in March 2020, was born from a session with producer STUTS and Atsushi Inoue of showmore.
The lyrics portray the conflicting emotions of dependence on a loved one and a yearning for freedom, conveying a mix of heartache and inner struggle.
Its appeal lies in the flow where rap and melody naturally intersect over a hi-hat-driven track, resulting in an urban, sophisticated sound.
By incorporating rap-like delivery into the first verse, you can learn a modern vocal approach that moves seamlessly between R&B and rap.
It’s very challenging, but definitely worth attempting.
OUR HEAVEN (feat. Daichi Yamamoto)SIRUP14rank/position
SIRUP, known for his polished R&B sound, returns with a track that bottles up the nighttime air of Tokyo, featuring Daichi Yamamoto and produced by KM.
The scene depicted is a morning in Mishuku after a party.
The music video shows views along National Route 246, and that bittersweet feeling after dancing till dawn—along with the quiet signs of morning—draws listeners in.
Released in July 2025, the track is also included on the album OWARI DIARY.
It’s the kind of emotional song that makes you want to cruise the Shuto Expressway at daybreak, soaking in a sentimental groove where urban loneliness and hope intertwine.