As is probably patently obvious to anyone familiar with my posts I am not particularly interested in instrumental music :-[.....but I do make an exception for organ music.
I was in the company of an organist on Thursday evening and we discussed the tragic fire at Notre Dame Cathedral and the possible effects on the grand organ. He talked to me about the Notre Dame organists and their incredible improvisations. Many of these are on You Tube. One example is
https://www.youtube.com/watch?v=hyYf-O6-8nQMy friend described it as "bonkers" but extremely exciting!!