As someone who grew up in the 1980s, I was exposed to many charity supergroups and the songs they produced. Yes, such classics as “We are the World,” “That’s What Friends are For,” and “Do They Know its Christmas” are all part of my childhood – not to mention a few Christian charity supergroups. But Christian or “Secular,” charity soupergroup songs were cheesy, at times unlistenable, but still fond memories. And they laid the groundwork for modern charity supergroups. Two in particular have caught my attention, but for different reasons. In 2005, The North American Hallowe’en Prevention Initiative (NAHPI) recorded “Do They Know its Halloween?” A few months ago the…