I have a friend who came to me and said "i found a new french musician/singer that i really liked on <some platform>. Her voice is really good". and a day or two later he said "god dammit, it turned out to be AI"

So yes, there'll be demand, no people won't often know it.

My list of French bands/singers I’ve explored is so far very limited, but offhand you might see if they enjoy either of the following

https://melodysechochamber.bandcamp.com/track/some-time-alon... (not in French language)

https://endlessfloods.bandcamp.com/track/rites-futurs (French language)