Jan and Cora Gordon: "A Lecture Recital" on Radio, 17th January 1927
At 8.00 there was "A Lecture Recital: The Folk Music of Spain, illustrated with the Spanish Guitar and lute by Jan and Cora Gordon." (see)
Here they are with the above mentioned instruments:
On Wednesday 19th and Thursday 20th January they were on again, this time discussing "Wandering in the Balkans."