The May 30 Wolf River Singers Concert & Silent Auction will be a walk down memory lane for some with old favorites from the last four decades, along with a couple of new selections and a cover of Billboard’s second most popular song of 2014. Many of the songs in this concert have a backstory – like “Teach Your Children,” for example. This song, so intimately and strongly associated with Crosby Stills Nash & Young, was actually written by Graham Nash when he was with the Holli