Home Albums Rock K.O. Rock K.O. (9 years) album Release day: Wednesday, March 11, 2015 Rock K.O. 9 years old Artists Jam Hsiao Name Jam Hsiao When album released, He was 27, now 37 years old # Song Play 1 Rock K.O. by Jam Hsiao Duration: 03:52 Your browser does not support the audio file player.