As a wee boy living in Peters' Square I could hear the punters roaring on a summer night.
I think the correct name was " The Clydeholm Greyhound Stadium", it was what is known as a "flapper track", in other words it did not belong to the official greyhound racing establishment.
At that time 1940s/50s Rothesay Dock was always busy with iron ore carriers and a lot of the crews' money used to be invested in the dugs
According to my late father "ringing" was not unknown.