Complex sentence: Together they formed a group initially called the Rogues, later renamed the Laughing Wind, and recorded demos with Fowley, who introduced them to Bob Markley, a law graduate and aspiring performer who had already had his own TV show in Oklahoma.
Split into simpler sentences: Together they formed a group initially called the Rogues, later renamed the Laughing Wind, and recorded demos with Fowley. He then introduced them to Bob Markley, a law graduate and aspiring performer who had already had his own TV show in Oklahoma.