Nearly 50 years before Taylor Swift and Travis Kelce's reported Madison Square Garden ceremony, Sly Stone wed Kathy Silva at MSG before a live concert.
https://www.foxnews.com/entertainment/rock-star-sly-stones-20000-guest-msg-wedding-set-precedent-taylor-swift-travis-kelce-nuptials
https://www.foxnews.com/entertainment/rock-star-sly-stones-20000-guest-msg-wedding-set-precedent-taylor-swift-travis-kelce-nuptials