Complex sentence: The Persuasions are an A cappella group that began singing together in Brooklyn, New York in the mid 1960s, known for its interpretations of both secular and non-secular music, and has covered a wide range of musical genres.
Split into simpler sentences: The Persuasions are an A cappella group which began singing together in Brooklyn, New York in the mid 1960s. The group is known for its interpretations of both secular and non-secular music and has covered a wide range of musical genres.