For all the decades that Downeast Ceilidh was on the MIT Radio Station (WTBS/WMBR) she insisted that be be on at 6 PM. Dinner Time. The reason was simple and can be explained by this story:
At an event at the Canadian-American Club, Marcia was approached by a surly looking teenager. He said “I listen to your show every week.” She as surprised and said “Really?” “Yeah,” he replied “If I want to eat dinner on Thursdays I have to.”
The Folktracks Collection 