In light of the 2012 Summer Olympics starting at the end of the month, a video of 216 (yes, that's a lot) national anthems being performed simultaneously has surfaced. Or resurfaced, as the footage of composer/conductor John Williams leading an orchestra through the heap of music is originally from 1992. In their post, Buzzfeed notes that El Salvador's national anthem,"Himno Nacional de El Salvador," written in 1856, is about a minute longer than the others and finishes out the performance.
It is pretty incredible. Watch the national anthem supermedley for yourself below. [BF]