A concert by viral TikTok saxophonist Nathaniel Young at San Francisco's Palace of Fine Arts was shut down by authorities Tuesday evening after drawing hundreds of attendees, many of whom reportedly climbed on the landmark structure.

Young, known for his public performances filmed for social media platforms like TikTok and Instagram, announced the impromptu concert on Monday. Videos shared online show a large crowd gathered at the pavilion to watch his performance, with some individuals seen climbing the building to get a better view.

According to witnesses, police arrived approximately 30 minutes into the performance and halted the event. Young stated on Instagram that he observed a helicopter overhead, signaling the end of the concert. He expressed gratitude to the Bay Area community and indicated a desire to return, noting that the climbing activity was a primary issue.

The San Francisco Recreation and Park Department confirmed the event was an unpermitted gathering of over 100 people. A department spokesperson stated that rangers shut down the event due to dozens of people climbing the structure, an activity that has led to severe injuries in the past. "With people engaging in unsafe activity, our ranger shut down the event," the statement read.

Locals and social media users voiced frustration over the shutdown, with some contrasting the police response with perceived inaction on more serious issues within the city. Others questioned the city's approach to fostering cultural events in public spaces.

Young, who received classical training at the Colburn Conservatory of Music in Los Angeles, began building his online following through guerrilla-style performances captured on his wearable camera glasses. He has previously described his public concerts as a way to reclaim underutilized public spaces and create open invitations for the public to engage with music.