Watch: Now That’s What I Call Eurovision!

Emotions are flying high ahead of Saturday’s final in the 2014 Eurovision Song Contest as the crisis in Ukraine is casting a political shadow over the competition.

Eurovision is one of the most-watched non-sports events in the world. This year, 37 countries are participating. They’re mostly European countries, but others, such as Israel, get to perform too.

TIME took a stroll down memory to find some of the best – and the worst – songs of Eurovision.