"Suppose that makes sense. I am curious but just sort of dispositionally, I'm not sure what I'd actually say to him."
"Yeah, where does one go for a conversation opener there. 'So, I hear you used to be evil, what was up with that, can I adapt your heartwarming redemption story for my world's prison system'?"
"Yeah, I'm sort of wondering if the other Valar are going to have a response on that one before I'm like forty... 'creating energy'?"
"Our world's working definition of magic is things that create physical material from nothing, change physical material in ways it wouldn't usually change without being heated a lot, or directly creating heat, light, sound, etcetera. Those are the things that are magic; they're all hard to do lastingly. The Valar can do them mostly at will. You should ask my father if you want an explanation more sophisticated than that."
"They're not hard for servantmakers to do lastingly. Well, some of them, I can't create physical material from nothing."
"Well, he's an outrageously good singer, so it makes sense if a song's oomph scales up with its quality."
"I should probably find out sometime what the composition process is like to get magic out of it, see if there's an obvious reason humans never found it."
"I think I have read one short story in which music was magic - but differently - and this is alongside lots of stories about forms of magic that definitely don't work like divination by blood sacrifice or stepping into a tree to walk out of another tree miles away."
"Yeah, it's something else, and if it could reasonably be that humans are just too bad at music and too impatient to stumble across it that's hardly impossible but it depends on how hard it would in fact be to stumble across, which I don't currently know."