Complex sentence: Robert (Bob) Hallett (born 1966) is a Canadian musician, author, producer, and entrepreneur, best known as a founding member of the Canadian folk rock band Great Big Sea (1993--2012).
Split into simpler sentences: Robert (Bob) Hallett (born 1966) is a Canadian musician, author, producer, and entrepreneur. He was a founding member of Canadian folk rock band Great Big Sea (1993--2012).