Kim Bum Soo (김범수, 金範修) born January 26, 1979, is a South Korean R&B and soul singer (see also K-pop) famous for his smooth vocals and emotive ballads. Kim Bum Soo is the first Korean artist to make a mark on the North American music charts, with his song 'Hello Goodbye Hello' ranked as the 51st spot on the US Billboard Hot 100 in 2001.