Korean singer !!

http://www.youtube.com/watch?v=n9J83ic73hQ&feature=topvideos

He is band vocal and his name is Yoon Do Hyun .
The band is famous group in korea and I like it.
He has powerful voice and also show smooth force .

Next, I introduce kim, yoon ah. She is also korean singer and is vocalist for her group.
her voice is charming and powerful.

http://www.youtube.com/watch?v=rN7P5LSQp2w&feature=related