Time for Eurovision: Here’s how the exuberant song contest works

Sprinkle the sequins and pump up the volume: The annual Eurovision Song Contest reaches its climax on Saturday with a grand final broadcast live from the United Kingdom’s city of Liverpool.

There will be catchy choruses, a kaleidoscope of costumes and tributes to the spirit of Ukraine in a competition that since 1956 has captured the changing zeitgeist of a continent.

Last year, 161 million people watched the competition, according to the organiser, the European Broadcasting Union (EBU),…