Juanes performs at the Patriot Center in April. (Photo by Kyle Gustafson/For The Washington Post)

Our colleagues at Click Track, the Washington Post pop music blog, broke the news this morning. The event, which always draws many activists and entertainers, takes place at the Kennedy Center.

Click Track also reported on the Ukukele Ensemble contest at Strathmore. Going for the Guinness World Record, it looks like some Swedes beat them to the punch.