TailorTFThis isn't a particular classical song but I think this technology is super fucking interesting: https://youtu.be/He6MCalvDf4
This looks really cool, I'd like to see it try to play some Rachmaninoff
SnackGlassworks by Philip Glass is one of the greatest albums of all time. Full Stop.
Seconding Glassworks, if you like minimalism Steve Reich is great too, Music for 18 Musicians is my favorite of his.