The US song that was number one for the longest single run in 2021 was Butter by BTS which went to number one on 5th June, 2021 and stayed at the top slot for 7 weeks.
Click any track to see more information, or select your specific birthday here.
The US song that was number one for the longest single run in 2021 was Butter by BTS which went to number one on 5th June, 2021 and stayed at the top slot for 7 weeks.
Click any track to see more information, or select your specific birthday here.
popularity 70/100 
