Seven colors of magic, seven fonons... now I do wonder about parallels between our worlds, though now probably isn't the time to experiment. I'm assuming frequencies are meant to be more-or-less unique to each individual person?

[At his confirmation, she nods slowly, looking serious.]

If you think it would help, I have no objection to the idea- any knowledge might be useful at this point. I just want to be certain that you're comfortable with it, I'm not willing to pull out someone's soul without permission if I can avoid it.