I'm not sure if this would be a good FS music but I'm
obsessed with this theme lately.
This exactly the type of music that i want him to skate for the free if not just for the sheer
drama of it. A clean skate to score like this from him at the Olympics would be just transcendental, would we even be worth of it? It could be a similar moment to what a program like
Yagudin's The Man in the Iron Mask would look like in this era. And it wouldn't be a repeat of something he's done before, depending on the choreography of course but I trust Shae Lynn, while still not deviating from what he can do the best. If we think about dramatic skates, he's done the
romantic/emotional drama (R&J 1.0), the
mysterious/magical drama (SEIMEI), but not yet the
celestial war drama. For the record, these are my classifications, so bear with me.

Of course it would be an ambitious choice because a failed skate to a score like this could be shooting himself on the foot but I believe it isn't in Hanyu's case because even with a not so ideal beginning, I can see him pulling up for a terrific ending as he usually does and making justice to the intensity of the program. I also agree that the chances of him choosing something like tango, flamenco
deliver me from both, thanks, jazz or any of the sort is absolutely slim since Olympic season is just not one for taking stylistic risks. And other option would be intense violin, piano or a mix of both as me and someone else discussed here before, mentioning Ludovico Einaudi songs.
For the short program I would choose something elegant and fiery like
Yuna's Danse Macabre, not this song though, just in a similar style.
I'm mentioning other skates only because I'm terrible at searching music, so I'm better at choosing programs with a similar feel to what I'm trying to convey
To finalize, since I am and always will be a sucker for quieter pieces, the exhibition would be something like
Mao's Jupiter, which is one of my favourite programs ever. And it could convey both the feeling of the conclusion of a journey and the start of a new chapter, bringing again the theme of hope, as this will be most probably his second and last Olympics, and making me absolutely dehydrated nearby a pool of tears independent of his results there.
He could also use rock/blues again (even better if indie rock) or something more pop for an SP but I just didn't choose it as he used it just this season and in Sochi, but I wouln't mind it. I would also be pleased if he comes up with something completely different and makes it work. And, of course, usually I would also love something even more lyrical and classical in a short program for example but for the
Olympics, based on what we've seen till now and considering public appeal, what I said earlier would be my choices.