I stand corrected.
I was sure that "Rae" was the spelling on the one occasion I saw her perform.
After DaveS's posting I found verification on a different page of exactly the same site you provide a link to.
There's a lesson there somewhere.
One further goof-It was last year's Auchtermuchty festival she headlined.This year's line up has not yet been announced.
    for that one
Mea culpa,mea maxima culpa.