Yes, Gregory - believe it or not, I had heard Alison do it...(sorry, Alison - yes, I adore you, but Bonnie & Emmylou were here first).
But maybe you, as a fellow Kraus acolyte, can help me with something; I've been looking for a vid of hers I saw on CMT in the '90s, but I can't remember the name of it. All I recall is it was just after she first cut & bleached her hair, and at one point they zoom on her face for the line "...lovers to each other...." and she has a look in her eyes that just melts me. (Well, OK all her looks melt me - but this one melts then boils).
Peter