Dave Mustaine’s story with Metallica has always been one of brilliance and bitterness, a legacy that still sparks debate more than four decades later. Before he was fired from the band in 1983, Mustaine played a vital role in shaping their earliest sound, and his influence is still carved into some of Metallica’s most iconic songs.
As Metallica’s original lead guitarist, Mustaine wrote and co-wrote riffs that became the backbone of tracks like Ride the Lightning, The Call of Ktulu, and Phantom Lord. Even though he was let go before recording their debut album Kill ’Em All, Metallica went ahead and used much of his material. Reflecting on that time, Mustaine once remarked, “All the solos on the first record were mine, except that they’re just performed by Kirk.”
His departure wasn’t just a personal setback—it became the spark for something greater. Fueled by anger and determination, Mustaine went on to form Megadeth, a band that not only stood tall next to Metallica but became one of the “Big Four” that defined thrash metal worldwide. In interviews over the years, Mustaine hasn’t shied away from claiming his place in Metallica’s foundation, stating bluntly, “There’s no Metallica without me.”
While some fans see these words as bitterness, others recognize them as truth. Without Mustaine’s aggression, his songwriting, and his uncompromising vision, Metallica might never have developed the sound that pushed them beyond the underground. Whether loved or contested, his impact is undeniable.
Decades later, the rivalry between Mustaine and Metallica has cooled, but his role remains part of rock history—a reminder that even in exile, greatness has a way of shaping the future.