The bands that victim David Shapiro represented are many of the most popular of their genre and scene, like Sum 41 and Pierce the Veil.

The alternative music scene mourns the loss of industry leaders Dave Shapiro and Daniel Williams, who died in a San Diego plane crash. Shapiro, co-founder of Sound Talent Group, was pivotal in advancing subcultures like metalcore.

We're learning more about the victims of a deadly plane crash in San Diego, which include three music agency employees.

San Diego neighborhood, authorities say SAN DIEGO (AP) — The music agency Sound Talent Group said Thursday that three of its employees died on the private plane that crashed into a San Diego neighborhood.