Complex sentence: In 1979 he co-founded the influential London-based new music group, Suoraan, but for much of his career his work has attracted most attention beyond the British Isles, including significant performances at the International Gaudeamus Music Week and the ISCM World Music Days.
Split into simpler sentences: In 1979 he co-founded the London-based new music group, Suoraan. For much of his career, his work has attracted the most attention beyond the United Kingdom, including significant performances at the International Gaudeamus Music Week and the ISCM World Music Days.