**Megadeth’s Dave Mustaine Announces Retirement, Final Album and Farewell Tour: “The Hardest Part of All of This Is Saying Goodbye” — ‘Spaceman’ Dead at 74**
**Megadeth’s Dave Mustaine Announces Retirement, Final Album and Farewell Tour: “The Hardest Part of All of This Is Saying Goodbye” — ‘Spaceman’ Dead at 74**