'Superstar K4' heart throbs Roy Kim and Jung Joon Young will fill in as the temporary DJs of MBC FM4U's radio program 'Music Party' starting on the 28th.

Roy Kim and Jung Joon Young will feature as DJs starting on the 28th during Kim Shin Young's temporary absence for health reasons. The two former 'Superstar K4' contestants seem inseparable these days and have appeared on CFs, broadcast, and pictorials together showcasing their friendship and opposite images.

In other news, Roy Kim is currently focusing on producing his upcoming album under CJ E&M while Jung Joon Young is still under negotiations as he has several contracts under his belt prior to his appearance on 'Superstar K4', and also recently released his latest single "Happy Blue Christmas".