Like in so many other places, plummeting birth rates in South Korea too have upped the pressure on young women to marry and have children, with politicians often encouraging them to play their part in a patriarchal society.
Haydn said he was really nervous, saying: "I remember looking up and seeing like 40,000 people there."And I can remember him lifting my hood up, and I remember my ears sticking out of the hood and going, 'right, this is going to be viewed for the rest of your life, sort your hood out, because your ears will be sticking out'.
"Then when he actually gave me the mic, I remember a big panic, because you can't hear yourself at all either."But I knew the words. It was all just the most surreal thing, like you actually can't explain, it's so weird."For Sally, it was a dream come true to see her little boy singing with the family's hero.
"I describe it as the happiest day of my life, and I apologise to my husband that it's not our wedding day," she said."Bruce Springsteen, singing with my son, the happiest day of my life."
It has been 50 years since the American singer first performed in the UK, giving his new Born To Run album its European premiere.
In the documentary, Springsteen described how much he enjoys children such as Haydn, coming to his concerts.At a processing facility on the outskirts of town workers kitted out in white suits, hairnets, facemasks, and blue plastic gloves and boots prepare fresh and smoked salmon for export to the US and Japan.
In a spacious meeting room, Fracisco Lobos, the chief corporate officer for the plant's owner – salmon-exporter Multi X – explains how farming the fish has transformed the south of Chile."Salmon's been part of this region's industrial revolution," he says. "There used to be a lot of poverty in the region, and now many people earn more than in other parts of Chile.
"Because of the industry a lot of support services have sprung up, which benefit the families living here, and people have moved here from other parts of the country for work."Atlantic salmon are not native to Chile. Instead, eggs were brought over to Chile from the UK at the end of the 19th Century and released into rivers, lakes and the sea to grow into fish for recreational fishing.