Complex sentence: Sometime during the mid- 1980s, he began to write rap lyrics, forming the underground Full-A-Clips crew which included rapper named Lyrical Assassin, later to become famous as Cuban Link.
Split into simpler sentences: Sometime during the mid- 1980s, he began to write rap lyrics. He later formed the underground Full-A-Clips crew which included rapper named'Lyrical Assassin', later to become famous as Cuban Link.