John Mayer Performs Jackson’s ‘Human Nature’
07/07/2009 AT 12:00 AM EDT
Mayer, an avid Tweeter, posted the following messages on his Twitter page leading up to Tuesday's memorial:
"I'm honored to have been asked to play at MJ's memorial service. I will be representing all of us who can't be there."
"Going to say goodbye from all us kids."
"I also want you to know that I'm going not to 'perform' but to contribute... Proud to be a musician."