Finneas Baird O'Connell (born July 30, 1997), known mononymously as Finneas is an American singer, songwriter, record producer, musician, and actor. He has written and produced music for various artists including his sister, singer Billie Eilish. He won five Grammy Awards, including Album of the Year, Producer of the Year, Non-Classical and the Best Engineered Album, Non-Classical for his work on Eilish's debut album When We All Fall Asleep, Where Do We Go? (2019).
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