I mean you can literally make people do what you want them to do, just by singing to them. Its like psychic warfare type of stuff. Where your planting thoughts into someones brain and stuff.
Im still curious as to how this will all move along in story and character development. Nobody will trust anybody, but be forced to have to inorder to get the job done. For there will be tasks that only one of the people can do where the others can not. Or the idea of being a bit surrounded and having to rely and hope that the guy behind you has your back.