He also went on to reveal that Mamaengaroa Kerr-Bell didn't audition to play Jake and Beth's daughter Gracie. She was actually waiting for a friend outside when she was spotted and brought in for the role.
However, impatient to get to the good stuff, Anika Moa cut into his story saying: "Hey, do you want to re enact that scene? I've got my guitar here."
After reciting the famous line, "Give us a G", Morrison launched into the song with Owen and Moa joining in later.
Watch the beautiful moment below:
* All Talk with Anika Moa screens on Maori Television on Thursdays at 9.30pm.