Complex sentence: Two months after his Japanese single release Kim performed at Seoul Police Promotional Team's "Musical and Talk Concert" on January 17,2015, and was joined by co-SS501 members Kim Kyu-jong and Heo Young-saeng.
Split into simpler sentences: Two months after his Japanese single release Kim performed at Seoul Police Promotional Team's "Musical and Talk Concert" on January 17,2015. He was joined by co-SS501 members Kim Kyu-jong and Heo Young-saeng.