This is really sad news.
Shit, I had organised a one-week trip to Berlin and Copenhagen with my family for this past April. Obviously cancelled due to the pandemic. The Montmartre was a must for me (not so much for my wife and sons).
Now this visit will never materialise. 😞
I just discovered her some five years ago, via a Scottish friend (a former English teacher). Since then, I have explored all of her discography and it is consistently good, with some discs to be considered excellent!