Complex sentence: His father worked as a DJ at a local radio station, helping Portnoy gain an appreciation for music at an early age particularly, as Portnoy has pointed out, because he had access to his father's collection of LPs.
Split into simpler sentences: His father worked as a DJ at a local radio station. Pornoy's father's job helped him gain an appreciation for music at an early age particularly, as Portnoy has pointed out, because he had access to his father's collection of LPs.