Demelza Robins!
1) I've chosen this particular video of it because this is what Mel wants the ICW to be like: 17 Jean Vanjeans (fast forward to 1 minute and a half to see them actually sing) But if you don't know Les Mis and want to hear it sung in English with lyrics: Just one Jean Vanjean
2)Every Seize the Day song ever makes me think of Mel because um, activist folk music. But I'll go with this one: I swear