its legions of hair brush hopefuls to stick with the mainstream acts that up its click count. such as lady gaga whose newest video amassed more than 66 million views in its first six weeks on the site. eminem will be there, too, likely performing his 38 million click hit berserk and to keep its street cred intact, arcade fire will round out the lineup. the grammys and mtv seem to have covered this territory with their own attention grabbers but youtube is trying to aim wider. taped performances by artists in seoul, moscow, london and rio will precede youtube's 90 minute live event in new york. and spike jones, who music video fans might know best for directing the beastie boys' pre-youtube hit sabotage will call all the shots. >> for the average person, youtube is about short hits. youtube is trying to create a different kind of use here,