with the Doodletown Pipers?
YouTube has an episode of Our Place from 07/23/67, and at about 3 1/2 minutes in, during the first musical number, there's a shot of Teresa Graves and this blonde gal, who sure looks a lot like Teri.
Here's a screenshot https://app.box.com/s/5e1fafmqtcp09izofjb8
and the show https://www.youtube.com/watch?v=9gCCKlCsKrU