seoul the music video for btss 2021 megahit single butter whose fans include bollywood actress alia bhatt has surpassed 800 million youtube views becoming the eighth video from the kpop group to hit the milestone reports yonhapthe video passed the 800 million thresholds about 15 months after it was uploaded online on may 21 last year the groups agency saidread alsobts to hold free inperson concert on oct 15 for 2030 busan world expo bid supportkpop sensation bts will headline a free inperson concert on october 15 to support south koreas bid to host the 2030 world expo in busan announced their management agency bighit music on wednesdaythe upbeat summer song became a global hit upon its release staying on billboards hot 100 main singles chart for 10 nonconsecutive weeksthe songs music video earned 1082 million views in its first 24 hours giving it the biggest firstday view count of all time on youtubethe sevenpiece group will hold a oneday concert in busan 325 km southeast of seoul on october 15 to support the port citys bid to host the world expo in 2030