Seongha Jeong (정성하) (colloquially: Sungha Jung) (born 2 September 1996) is a South Korean prodigy guitarist who has risen to fame on YouTube and other sites, mainly through the South Korean audience. As of 2011, his channel had over 222 million views, and over 335,000 subscribers.
Seongha typically takes three days to learn and practice a new piece, and video-record it for upload onto YouTube. His genre selection is rather broad, as he learns and plays many pieces that are playable on guitar, therefore consequently spread across numerous genres.
Seongha has won 13 awards on YouTube, including 6 "#1" awards. Also on YouTube, Seongha has 38 videos with over one million views. Seongha's video with the most views is the shows him playing the theme from "Pirates Of The Caribbean", at 18,799,337 views as of 21 June 2011.
Seongha has composed 18 pieces as of February 2011, two of which are featured in his debut album, "Perfect Blue".
In 2011, he performed in the US with Trace Bundy, as well as touring in Scandinavia and Japan.
source: wikipedia and youtube