Listen to Knocked Out online. Knocked Out is a Korean language song and is sung by Shayne, Sae-Ha Yoon, Jung Il Woo, C-Real and Dnpd (Yuria). Knocked Out, from the album Handsome Guys on Ramen Store Special, was released in the year 2012. The duration of the song is 2:14. Download Korean songs online from JioSaavn.