Bridges's last scene

As Mr. Bridger, elder statesman of crime, descends the steps of the prison, waving and acknowledging to all of the inmates who are chanting the name "Bridger!" - it sounds as if they are doing a riff on The Routers' "Pony (Let's Go!)." Anyone else get this?

https://www.youtube.com/watch?v=MHAq_5x3_Jg