The Eurovision Song Contest—commonly known as ESC or just Eurovision—started in 1956 and has since become the world’s biggest talent show. According to Eurovision rules, no songs can be over three minutes—and no animals are allowed on stage. The official rules to compete in the Eurovision Song Contest change regularly, but some include: no songs over three minutes, no previously commercially released songs (i.e., no covers! This means that Sweden, whose 2015 artist, pop singer Måns Zelmerlöw, won with “Heroes” last year in Vienna, will host the 61st Eurovision this week in Stockholm. No Eurovision winner has ever performed second on the roster—it’s called “Curse of Number Two.” So if you’re up second, you’re not winning, or so it seems.