Which  South Korean boy band has Chase Vincent Malone worked with 
Cha Cha Malone:  Aside from collaborations with Park, Malone has produced and worked with many other artists in South Korea, including Red Velvet, Shinhwa, Kara, Dok2, The Quiett, Beenzino, Brian Joo, U-KISS, Nu'est, ONE and B1A4.
i don't know