Rock hyun appeared on MBC's "Idol Radio" to show off his all-around talent.

Appearing in MBC's "Idol Radio" aired on April 2, rock hyun boasted a luxury vocal and gave witty remarks, mesmerized all listeners.

For the first time, he prepared a special time to unveil the live performance of his own song 'Remember' from their sixth mini album 'RE:tro.' After the performance of "Remember," Heo Yeong saeng said, "Is it a self-composed song that you wrote yourself? Is it a group song? I thought it was a solo song," expressed surprise.

Recently, 100% have been active with their title track "Still Loving You" since releasing their sixth mini-album "RE:tro," and continue their activities with promotions in Japan.