Experince BITOIs raw vokalpower and deep pulsating bass, in a unique performance.

BITOI (Bass Is The Original Instrument) is a Swedish-Danish bass-voice hybrid featuring award-winning composer and bassist Cassius Lambert alongside singers Alexandra Shabo, Lise Kroner, and Anja Tietze Lahrmann.

Though small in size, BITOI delivers a lush and razor-sharp sound. The female trio blends raw power with delicate textures, layering close harmonies and dissonance over deep, pulsing bass lines. Their lyrics, drawn from phonetically transcribed bird songs, transform into chants that feel both ancient and fresh.

Formed in Malmö for Intonal Festival 2023, BITOI has since performed at Roskilde, Le Guess Who?, Rewire, Clandestino, Spot, Stanser Musiktage, Paesaggi Sonori, Babel XP, toured Japan with Aragaki Mutsumi, and earned Newcomer of the Year at Folk och Världsmusikgalan. They released their debut EP – O – in 2023, followed by their first album ...

Experince BITOIs raw vokalpower and deep pulsating bass, in a unique performance.

BITOI (Bass Is The Original Instrument) is a Swedish-Danish bass-voice hybrid featuring award-winning composer and bassist Cassius Lambert alongside singers Alexandra Shabo, Lise Kroner, and Anja Tietze Lahrmann.

Though small in size, BITOI delivers a lush and razor-sharp sound. The female trio blends raw power with delicate textures, layering close harmonies and dissonance over deep, pulsing bass lines. Their lyrics, drawn from phonetically transcribed bird songs, transform into chants that feel both ancient and fresh.

Formed in Malmö for Intonal Festival 2023, BITOI has since performed at Roskilde, Le Guess Who?, Rewire, Clandestino, Spot, Stanser Musiktage, Paesaggi Sonori, Babel XP, toured Japan with Aragaki Mutsumi, and earned Newcomer of the Year at Folk och Världsmusikgalan. They released their debut EP – O – in 2023, followed by their first album Sirikulu in 2025 on Supertraditional Records.

BITOI embodies Cassius’s miximalism—extracting the richest sound from the barest tools: bass, voices, polyrhythms, and prepared textures—minimalism pushed to its edge....

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