More interviews at: br br David Ellefson is the co- founder and bassist of Thrash Metal group Megadeth. br br David has also played in with F5, Killing Machine, Soulfly, Hail and other heavy metal groups. br br In this interview David talks about his new book "My Life with Deth", how he first got into music, touring throughout Brazil and South America with Black Sabbath and much more.