Listen to If You Only Knew (Karaoke Version) (Originally Performed By Shinedown) online. If You Only Knew (Karaoke Version) (Originally Performed By Shinedown) is an English language song and is sung by Karaoke Diamonds. If You Only Knew (Karaoke Version) (Originally Performed By Shinedown), from the album Sing Along Karaoke, Vol. 9, was released in the year 2017. The duration of the song is 3:44. Download English songs online from JioSaavn.