Hayato Sumino is a Japanese pianist who is immensely popular not only in Japan but around the world.
With over 1.3 million followers as the YouTuber “Cateen,” he garners attention not only for his performance skills but also for his unique improvisations, original compositions, and approachable personality.
This time, we’re highlighting Sumino’s original piano works!
Enjoy a selection of pieces brimming with Sumino’s originality—distinct from his classical and pop covers.
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[Hayato Sumino - Cateen] A curated selection of original pieces by the young genius pianist!
KABURAYAKakuno Hayato

Hayato Sumino is renowned as one of Japan’s leading young pianists.
Alongside his career as a pianist, he is active on YouTube under the name “Cateen,” where he has over 1.3 million followers, and he also performs with the band Penthouse.
His piece KABURAYA is a collaboration with Kei-chan, who is likewise active as a piano-focused YouTuber.
Blending the traditional resonance of taiko drums with contemporary arrangements, the work serves as an homage to Japan’s traditional culture and history.
The powerful performance and tightly knit ensemble are a must-hear!
Waltz of the Big CatKakuno Hayato

Composed by the wildly popular Japanese pianist Hayato Sumino—not only in Japan but around the world—The Big Cat Waltz is an original piece included on his album HAYATOSM.
It portrays the lively scene of two large cats at his family home leaping about with lightness, creating a playful mood that transcends the boundaries of classical music.
Born from an improvisatory approach, the piece vividly reflects Sumino’s creativity and passion for music.
Active as a pianist, researcher, and artist across diverse fields, his music brims with a constant drive to explore new forms of expression.
This is a work we highly recommend not only to fans of classical music, but also to anyone seeking genre-defying sounds.
Piano Sonata No. 0 “Sōmei”Kakuno Hayato

Pianist Hayato Sumino has won a broad fan base thanks not only to his astonishing technique and deep understanding of classical music, but also to his unique arrangements and original pieces showcased on platforms like YouTube.
On Piano Sonata No.
0 “Sōmei,” included on his first full-length album HAYATOSM, he unfolds a musical world that is distinctly his own, fusing the framework of traditional classical music with improvisational creativity.
Immerse yourself in Sumino’s passionate performance, where fresh interpretations of masterpieces intersect with contemporary sounds.
You’re sure to discover new possibilities and pleasures in piano music.
Fetal Movement New BirthKakuno Hayato

Hayato Sumino, a Japanese pianist who enjoys immense popularity worldwide.
“Taido New Birth” is a piece he created, drawing on his focus on improvisation and musical research, and using Frédéric Chopin’s Étude Op.
10 No.
1 as its motif.
While inheriting the DNA of classical music, the work captures the moment the composer himself takes a new step in life.
The piano sound—performed with advanced technique and rich expressiveness—showcases Sumino’s unique depth of insight and sensitivity.
It’s a highly recommended track not only for pianists seeking a fresh sonic world, but for all classical music fans who want to experience the essence of his artistry.
RecollectionKakuno Hayato

Hayato Sumino, a top-tier pianist and University of Tokyo graduate who has also gained huge popularity as a YouTuber, has poured his unique sensibility into the piece “Recollection.” Inspired by Chopin, this work seems to hold a special place for Sumino.
Not only his fans but anyone who loves classical music will surely be captivated.
Immerse yourself in the soundscape he weaves with his whole being.
It’s also recommended to listen while reflecting on his musical roots and the feelings embedded in the piece.
PEEK-A-BOO feat. Masato Suzuki & Katin (Hayato Sumino) with Azabu Gakuen Alumni + OrchestraPikotarō

This is a work themed around “peekaboo” that conveys Pikotaro’s warm feelings.
While retaining the same comical charm he’s known for from “Pen-Pineapple-Apple-Pen (PPAP),” the grand sound featuring conductor Masato Suzuki, pianist Katin (Hayato Sumino), and a full orchestra is truly astonishing.
This lavish collaboration was sparked by their meeting on the TV program ‘Untitled Concert’ and was produced as a single in June 2023.
Its simple message—bringing smiles beyond language barriers—resonates even more deeply when fused with the timbre of classical music.
Showcasing a new side of Pikotaro, this piece is perfect for anyone who wants to enjoy music that transcends genres.
In conclusion
We introduced an original work by pianist Hayato Sumino—also known as YouTuber Cateen.
Sumino is expected to thrive even more in the future.
Let’s keep an eye out for the release of his highly addictive original tracks that you won’t be able to get out of your head once you hear them!


![[Hayato Sumino - Cateen] A curated selection of original pieces by the young genius pianist!](https://i.ytimg.com/vi_webp/tMRM36Gofqw/maxresdefault.webp)
