Dave Shapiro, a groundbreaking music executive in the heavy metal and hard rock scene, has died in a San Diego plane crash. He was 42.

Daniel Williams, the former drummer of the rock band The Devil Wears Prada, and Dave Shapiro, the owner of Sound Talent Group, were killed in the early morning crash.

The alternative music community is in mourning after a private jet hit a power line in foggy weather early Thursday and crashed into a San Diego neighborhood, killing multiple people on board. Among them was the groundbreaking music executive Dave Shapiro,