This is horrible news - and such sad circumstances.
I did meet her many times in person and all I can say is that face-to-face she was charming and intelligent and meeting her put the sometimes abrasive nature of her musings on various forums in to context - which was that she was very driven and passionate about music and particularly traditional music and had very strong views - but she was normally smiling when she conveyed them. I think that taught me a lot about the pitfalls of trying to discuss important things using only text with people you don't know much about.