If you want to see an example of this taken to the extreme then check out Olafur Arnalds semi accompanying piano. It plays along with him using a lot of music t

If you want to see an example of this taken to the extreme then check out Olafur Arnalds semi accompanying piano. It plays along with him using a lot of music theory to create generational music in real time on the same piano: https://www.npr.org/2018/07/19/630111211/one-key-many-notes-lafur-arnalds-piano-rig-fuses-technology-and-musicality https://www.npr.org/2018/07/19/630111211/one-key-many-notes-... I tried to create something similar using web audio and a midi piano a while ago but the reason this works is you are applying digital processing to analogue output, along with Ólafur being one of the most talented composers alive at the moment.