Best known as the bassist for legendary Bay Area thrashers Megadeth, David Warren Ellefson is also an accomplished teacher, author, and entrepreneur, as well as a successful solo artist and in-demand collaborator. The second longest-tenured member of Megadeth outside of founder Dave Mustaine, Ellefson began playing with the group in 1983 and has appeared on nearly all of their studio albums. In 2015 he founded his own record label and production company, EMP Label Group, and in 2019 he released his debut solo LP, Sleeping Giants. Ellefson has also been involved in numerous sid...