Marimba 2010 International Festival and Conference will be held in Minneapolis/St. Paul, Minnesota between April 28 - May 1, 2010.
Registration etc. details are in the below link.
Official MARIMBA2010 Website http://www.marimba2010.org
Archive text: https://www.marimba.org/archive/en/modules/news/index__storytopic-1__start-15.html