Every other Eurovisions differs like every each year. It’s logo, participants, dynamism; it renews itself from up to toe in every new year…
And which year that we remind, it comes with it’s melody with all of these. Not only with participated songs, with a spesific melody of that year… Here is the 15 melodies which reminds us the last 15 years’ Eurovision:
https://www.youtube.com/watch?v=qStSFAy2aJ0
https://www.youtube.com/watch?v=Iad_9ga1paI
https://youtu.be/vs7sS1wwF1k?t=23s
https://youtu.be/jmpCZEHWpQ0?t=11s
https://youtu.be/BCc9yjUHfO4?t=2m31s
Bonus: Eurovision Song Contest 1991-Rome Theme Song