Mario Odyssey knows what chord is playing on the soundtrack and uses that info when playing musical sound effects.
https://youtu.be/U5-YDxH6It8
@mogwai_poet Did you see the Platinum post on the auto generated segues for 8-bit orchestration in Nier Automata? https://www.platinumgames.com/official-blog/article/9581
@atootingtwit No, that's really neat!