Sing so that the kids will know

When a horrific abuse of human rights left 81 people dead after a fire broke out in an overcrowded prison in Santiago, Chile in 2010, musician Nano Stern wrote a song about it. Why? "We have to sing about it, we have to make it into popular culture, we have to sing so that the kids will know what happened and will not be immune to such horrible things," he told Dumbo Feather magazine. More here: [youtube http://www.youtube.com/watch?v=kDoSzcbVseQ] In the wake of that Kony video (putting aside your thoughts on the activities of the charity behind it), what's your take on using the arts and popular culture for social education and to inspire change?