It is also the first official single from his first official album Man on the Moon: The End of Day. The song has so far sold over 2,000,000 digital downloads in the U.S.A. It was production by Dot da Genius and released February 2008 as a single, but was leaked in December 2007 and was featured by many blogs in mid-November 2008."Day 'n' Nite" (listed as "Day 'n' Nite (Nightmare)" on the tracklist of Man on the Moon: The End of Day) is the debut single by alternative hip hop artist Kid Cudi The song was remixed in June 2008 by Italian Production duo Crookers, entering the charts at #10 and was ranked #15 the list Best 25 Songs of 2009 by Rolling Stone.
the best live video clip :