Queen Elizabeth and Prince Philip attend Eisteddfod cultural festival in 1953

The transcript describes an international event in North Wales, where people from various countries gather. A team from Austria performs for the Queen and the Duke of Edinburgh. The event includes a tribute to the royal visitors, with 8000 people participating. The transcript concludes with the fitting climax of the royal tour in the land of song.

How do the people pay tribute to their royal visitors?

What is the overall theme of the event described in the text?