hmm.. gotta be boa.... my others are Jang Nara, Un;ee and Loveholic Bi doesn't have a bad voice either. i wish i could sing like him :(
anyone have heard of Big Mama? they're super good! go grab their songs... if you like soul and jazz, they're a classic.
All korean songs sound the same to me, I have no idea what they are saying. But BoA is clearly the best singer!