How much money did Psy make for the song Gangnam Style ?
During the " Dick Clark 's New Year 's Rockin ' Eve " event at Times Square in New York City on December 31 , he was joined on stage by characters ( Yoo Jae - Seok , Noh Hong - chul ) from the song 's video for the first part of the performance before MC Hammer appeared to perform a mash - up of the song and " 2 Legit 2 Quit " .