I've been thinking about you, Allison. Remembering Girl Scouts, where we learned that singing happens anywhere, and we made the Virginia Reel popular in the schoolyard for awhile (we sang 'The Noble Duke of York' over and over for music). Middle school kids are hard, though. Will you be giving a performance? If they're too shy/worried/teenage to be happy on stage, think of the movie School of Rock. Not for the rock music, but the message that the whole class can be part of the performance of a few "stars." There's publicity, sound, lighting, sets, costumes, accounting, any number of other chores that are part of the whole show.