Complex sentence: Having met with success in Osaka's kabuki theater, Chikamatsu Monzaemon began to write plays for the kabuki audience in Heian-kyō; and in part, his success stemmed from the way his work would sometimes mirror current happenings and contemporary urban characters.
Split into simpler sentences: Having met with success in Osaka's kabuki theater, Chikamatsu Monzaemon began to write plays for the kabuki audience in Heian-kyō. In part, his success stemmed from the way his work would sometimes mirror current happenings and contemporary urban characters.