SEOUL, Apr 3: South Korean rapper Psy plans to follow his “Gangnam Style” YouTube megahit with a single called “Gentleman” and a new dance, but is playing coy about everything else ahead of the song’s release, which was moved up a day to April 12. The song will be available for Korean fans then, but Psy will perform it in public for the first time at an April 13 concert. (agencies)