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A piano trio dissolving into night IOSUI s oyasumi invites peaceful sleep.

IOSUIs second single oyasumi is a 4-minute-37-second soundscape of calm and intimacy.
Shimmering piano, warm double bass, and delicate drums intertwine to create a gentle flow, like drifting into dreams under starlight.
The title was inspired by the thought, This performance could let me sleep peacefully.
An instrumental piece perfect for meditative playlists, night jazz, and chill-out listening.
Released on September 26, 2025 via Enso.

Artist Profile

  • IOSUI

    Formed in 2022 at the initiative of Tetsuji Matsuo, the group performs mainly original compositions by each member as well as improvisational pieces. Masaki Kai, a double bassist with experience studying and performing in the United States and Europe, serves as the sturdy trunk of the band. Around him, Kenichi Takahashi is beautifully radiant and expansive piano,along with Matsuos delicately yet boldly flowing drumming, flourish like branches, flowers, and fruit in full bloom. Their sound evokes impressions of jazz, post-classical, and ambient music, creating a sonic landscape as vivid and evocative as a painting through rich musical textures. The band name, pronounced JOSUI, means like water.

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