Complex sentence: His song'Bad Things' which was featured on his debut, self-titled, album and also his most recent Old, New and Borrowed Blues album now features as the theme song for the new HBO series'True Blood'.
Split into simpler sentences: His song'Bad Things' which was featured on his debut, album and also his most recent Old, New and Borrowed Blues. The song is currently featured as the theme song for the new HBO series'True Blood'.