Yoon Woo-hyun, who plays guitar in Buzz, got married with Rumble Fish's vocalist Choi Jin Yi (최진이) on March 26, 2017. They composed the theme song for the SBS drama 《"장옥정, 사랑에 살다"》 together. Son Sung-hee got married on May 13, 2017. Son Sung-hee and Shin Joon-ki organized a rock band named '4th FLOOR'.