SEE ALSO: Kim Yeon Woo reveals MV for winter ballad 'Melt Away'

The talented ballad singer shared that he once thought of Kim Gun Mo as his rival and recalled how Stevie Wonder sang 20-30 songs in a row for 4 hours without drinking a glass of water. He also revealed that he grew up listening to hymns, but his eyes were opened to the rock world through Led Zeppelin.

Check out his playlist above!