Complex sentence: The Life and Times of Johnny O'Keefe (Allen & Unwin, Sydney), p.6 His parents were both good singers, his mother was an excellent pianist Johnstone, p.2 and his father occasionally played in a jazz band.
Split into simpler sentences: The Life and Times of Johnny O'Keefe (Allen & Unwin, Sydney), p.6 His parents were both good singers. His mother was an excellent pianist Johnstone, p.2 and his father occasionally played in a jazz band.