Beyonce's performance at Coachella back in 2018 was huge at the time - PLENTY of promotion, one of her biggest live performance events, spawned an album and documentary, etc. It broke records for viewershp at Choachella - and was the most viewed Coachella performance ever. How many viewers was that? 458,000.

https://fortune.com/2018/04/17/beyonce-coachella-youtube-performance/

How Beyonce’s Coachella Performance Broke Records
BY
KIRSTEN KOROSEC
April 17, 2018 5:31 PM EDT

Beyoncé made history this weekend at the annual, Coachella music festival—and on YouTube.

She not only became the first black woman to headline Coachella, the singer broke viewership records on YouTube. Beyoncé 105-minute set on Saturday attracted 458,000 simultaneous global viewers at its peak, ranking it as most viewed Coachella performance ever, according to a YouTube spokeswoman.