Beyoncé funds metro service
https://www.railwaygazette.com/beyonce-funds-metro-service/64679.article
When it comes to concert by famous artists, the nearest train station is crowded with spectators.
Railway companies try to increase capacity by adding train service. But, in many cases, due to financial limit, they cannot prepare enough capacity. So, funding from the artists who get huge profit is understandable.
