best concert ever (more or less)

 So this story is  not exactly on concert it was an anime convention, i have been in a few concerts in my life and i have enjoyed them but im not the type of person who gets really exited about going to concerts since most of my favorite singers are dead or just don't leave the US. but well even tho this wasn't exactly a concert it was one the times i enjoyed the most listening to some singuer in live, well as i was saying it was a  convention  but at the end of the convention they bringed  some guest artists around the world (mostly japan) to sing their songs, one was a metal singer from japan and  he was hired to make a show in that expo, the singer's name is eizo sakamoto and it is a pretty famous metal singer in japan but he does mostly covers of anime openings but old anime openings and those where my favorite ones, needless to say i am a big geek so i was pretty exited to listen some of my favorite openings from my favorite shows ,well so  i went the day he presented to the anime expo with a bunch of my friends and after hours of walking around the Centro cultural Mapocho where the convention was happening he  came to the stage, apparently it was his  3rd time at the AEX chile and he was thanking the public a lot, talking to us in a very broken spanish, said he loved coming to chile, it felt very personal, like he truly loved doing what he does, so he started singing and the public went euphoric, he singed some of the more famous openings in latino america in a very metal way, it was impecable, he had an all black leather outfit and some facial make up that looked like a " KISS" member, so it was pretty epic but the thing that made me remember it the most and  to be my favorite "concert"  it was that, at the end of the presentation he said (again in a very broken spanish) that he had a surprice for us, that he knew that here in chile most of us loved a show called "31 minutos" so he said he prepared himself to sing for us in spanish one of the most memorable songs of that show, he singed "mi equilibrio espiritual" , the public went crazy it was so bizzare and wholesome at the same time, he took a paper to see the lyrics since it was his first time performing that song and it was in spanish, so he  started singing and it was just fantastic and very funny, it was kind of a weird experience seeing a japanese guy singing a 31 minutos song but it was great. someone took a video of it and uploaded it to youtube here is the link https://www.youtube.com/watch?v=yib66S5tFxA