A K-Pop Sensation Plays Letterman Ladies' Generation is carrying out on CBS's "The Late Show With David Letterman" tonight, the most recent inroad by K-pop into the U.S. market. The nine-piece pop act, which already plays to stuffed show venues around Asia, will sing an English-language version of their male-baiting solitary "The Boys," which was co-written by Teddy Riley, well known for his deal with Michael Jackson, Bobby Brown and Usher. While Girls' Generation has actually played in the U.S. previously, the TV look marks a brand-new degree of mainstream American exposure for the team, and Korean pop in general, as its world-wide audience expands. SM, which handles Girls' Generation, arranged a Madison Square Garden concert in October that offered out. In November, Big Bang, a boy band, took the "World Wide Act" award at MTV's Europe Music Awards, while MTV Iggy, which concentrates on music from outside the U.S., called Korean group 2NE1 its "Best New Band in the World.