Between five and thirty four dancers may compete in high kick at one time.
More than 200 bands and 150 dancers compete on Glasgow Green.
At all of them, young dancers compete and judges present medals to the winners.
People come from all over the world to compete and also to watch the best dancers in the nation compete.
As in pair skating, dancers compete as a couple, a man and a woman.
The show's title comes from the circle on the dance floor where the dancers competed.
Each dancer must compete in the Oireachtas of his or her geographical region.
After the audition process, the judge's selected a Top 16 dancers to compete in the main "live show" portion of the competition.
Once inside the theatre, they perform the song while various dancers compete against each other around them.
Forty-eight young dancers from 22 countries will compete, with performances open to the public (June 22-28).