This recording was possibly made in December 1939 at the mobile studio set up by the Broadcasting Service at the Centennial Exhibition in Wellington. The children from Hiruharama School near Ruatōrea, visited Wellington in December 1939 and made several recordings, according to an article in The Listener, Dec. 8, 1939
This archival audio is from the RNZ collection held at at Ngā Taonga Sound & Vision
For more information about the exhibition ourauckland.aucklandcouncil.govt.nz/events/…-ngutu/