http://en.wikipedia.org/wiki/Vashti_Bunyan has a lot of information about her and a link to Vashti's website.
Wikipedia classifies her as 'Psych folk' (not a term I have heard before) and has a list of 46 other pages in category "Psych folk musicians" which might be worth investigating, Heart+.
Bear in mind that all the knowledgeable people who visit this café don't necessarily do so every day. I for one didn't see the original posting, but am happy to help where I can, as are many others.
If you ask nicely (and patiently) you tend to get more responses than if you moan that people are treating you unfairly :0)