N ot many 70-year-olds spend their nights with pop singers in sparkly catsuits. Or nightmarish monsters barking out heavy metal. Or 160,000 giddy Europeans staring at them as they get progressively more drunk. There’s only one, in fact – the Eurovision song contest. To celebrate its uniqueness, we’ve spoken to some of the most interesting people ever involved with the contest to tell their tales. Happy seven decades of Eurovision! ‘My performance was the worst I’ve ever delivered’ Mr Lordi, frontman of Finnish metal band Lordi, winners in 2006 Saturday night fever … Mr Lordi was super sick when he performed at (and won!) Eurovision. Photograph: Dimitris Legakis/Rex Features When we were invited to enter the Finnish national contest to be the Eurovision entry, we thought we had absolutely no chance. We just wanted some free TV for our new album. Then we won the popular vote by a landslide. By the time we got to Athens, the international media was already really interested in us.…