For several hours I thought that I might have an easy choice, as there was only icvotria's entry (first for a while?) Then your collective imagination and ingenuity got going and produced a very inventive set of clues. I could have short-listed all of them; I won't but I will mention:
penda @4, paul @5, FJ @8, mattrom @9, nemo @19 and tyke51 @20
However my choice, for the image it conjures and the immaculate construction, is FJ @6, with
Captured her in Tay fog, transported, then imprisoned here (11)
A couple of you referenced Sandy Denny’s post-Fairport Convention band “Fotheringay” (
sic. hence the choice of spelling), but I’ve gone back to the original:
https://www.youtube.com/watch?v=ZbnLVvAJrec