Aha, of course: Mary Fahl was the voice of “October Project”! Makes perfect sense now… If you like Renaissance, try the albums “October Project” (1993) and “Falling Farther In” (1995).
P.S. Note the similarly goofy lettering, see “Fumbling” above: “Ocfobef Projecf”. Flanders & Swann said it best: “”Greenfleeves’, that’s a funny name for a fong.”