Dave Shapiro, Sound Talent Group's co-founder and a heavy rock music agent, died in a San Diego plane crash on Thursday morning at age 42.

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.Shapiro had a pilot’s license and was listed as the owner of the plane that crashed,

Tributes were pouring in across social media Thursday for music agent Dave Shapiro and drummer Daniel Williams, who were both believed to be involved in the deadly plane crash in a Murphy Canyon neighborhood.