Suh Ji Suk, Park Hae Jin, Jang Geun Suk, and Yoo Gun were nominated for the "KBS 2006 Best New Actor Awards", and they were invited to perform a tap dance on the stage during the night (12/31/2006) of the ceremony.
Link: http://flvs.daum.net/flvPlayer.swf?vid=9W-zJSRudHo$