This year's Eurovision Song Contest hosts Nikolaj Koppel, Pilou Asbæk and Lise Rønne show the competition hopefuls how it's done with the 12 Point Song.
The comical tune aims to explain the magic behind the number 12, which is of course the highest score in the Eurovision.
Check out the video below.
You can catch the second semi-final tomorrow night on RTÉ 2 at 8pm where Marty Whelan will be commentating.
RTÉ is not responsible for content on external websites