A Grateful Dead fan suffered a medical emergency while he was dancing at a Dead & Company concert in San Francisco’s Golden Gate Park and died, according to his friends and family. The fan was identified by the San Francisco Chief Medical Examiner as Fred Cothard,

A fan died while dancing in the crowd at Grateful Dead offshoot band Dead & Company’s concert at San Francisco’s Golden Gate Park over the weekend, reports say.

Trey Anastasio of Phish, Billy Strings and Sturgill Simpson were among the special guests to join the band over three nights of concert and amid a city-wide celebration.