korean. paula hancocks has the story from seoul. reporter: water bomb 2023. a k-pop concert in the heart of seoul where staying dry is not an option. and a key gig for black swan, a k k-pop band with in korean members. they re not the first to try it with, but black swan are hoping they ll be the act to break through. so the obvious question, you re a k-pop group. there s no k. there s no korean. does it matter? actually, there is k, because we sing in korean, and k-pop is korean pop. so as long as the language is there, it s still k-pop. singing in korean, black swan members say they also draw on influence from each of their cultures. the music video mv has been viewed over 5 million times on youtube. it has been really, really great, because it s a first-ever to be shooted in india. and also it shows like proper indian culture, indian dresses,