Female artist urinate on fan’s face during stage performance

Brass Against‘s Sophia Urista shocked festival-goers when she urinated on a willing fan’s face during the band’s Welcome To Rockville performance.

This wild incident went down Thursday night during the Welcome to Rockville festival at the Daytona International Speedway .

where Brass Against performed to a ton of fanfare … and eventually, to a ton of grossed-out spectators who witnessed this unsanitary scene.

That thing, as it turned out, was to wiz all over his head and body … and it was captured in graphic detail from folks who were no more than 15 or 20 feet away.