Hayato Sumino

Hayato Sumino (; born 14 July 1995) is a Japanese pianist and composer known for his performances of music by Frédéric Chopin.

In 2021, Sumino participated in the XVIII International Chopin Piano Competition in Warsaw, in which he advanced to the third round (the semifinal). His live performance in the second round attracted 45,000 online viewers, setting a record for the competition.

Sumino also performed at the 28th Beijing Music Festival in October 2025.

Sumino is also a YouTuber by the name of "Cateen",

Sumino composed the soundtrack to "Firstline" (2024), a short film directed by China Sui and released by Toho Animation Studio as part of their "Gemnibus volume 1" anthology.

He is also a member of the Japanese "city soul" band Penthouse, where he has been serving as its pianist since 2019.

He is a Steinway Artist.

Recordings

Passion (2019, Warner Music) HAYATOSM (2020, eplus music) Human Universe (2024, Sony Classical) Chopin Orbit (2026, Sony Classical)

Compositions Big Cat Waltz (2020) Tinkerland (2020) Piano Sonata No. 0 "SOUMEI" (2020) Cadenza to Liszt's Hungarian Rhapsody No. 2 (2020) 7 levels of "Twinkle, Twinkle Little Star" (2020) Happy Birthday To Everyone (Variations in all 12 major keys) (2020) One Minute Hourglass (2021) New Birth (2022) Baby's Breath (2023) Turkish March Variations in All 24 Keys (2024) Human Universe (2024) Nocturnes: I - Pre Rain (2024) Nocturnes: II - After Dawn (2024) Nocturnes: III - Once in a Blue Moon (2024)