Harri Kuusijärvi is a distinctive voice in modern accordion, redefining his instrument through improvisation, electronics, and bold sound worlds. Drawing on a background in classical contemporary music, his work bridges contemporary jazz, electroacoustics, and global influences.

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Kuusijärvi’s albums have garnered acclaim across a wide musical spectrum, from classical and rock to jazz and global music. Alongside his international career performing original music, he frequently premieres contemporary works for the accordion and collaborates across jazz, pop, folk, and theatre. In recent years, he has focused on electroacoustic music and the development of a new, electronically augmented accordion.

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Kuusijärvi has received wide recognition for his work, including being named Finnish Accordion Artist of the Year (2023) and receiving a nomination for the Teosto Prize (2020). His albums have earned Emma (Finnish Grammy) nominations for both Best Classical Album (2021) and Best Jazz Album (2025). He was also awarded second prize at Arrasate Hiria (2011), one of the world’s most renowned international classical accordion competitions.