“Even though Dave might claim that he wrote Leper Messiah, he didn’t”: The story of every song Dave Mustaine co-wrote for Metallica – and what Megadeth did with those riffs

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November 5, 2025

“Even though Dave might claim that he wrote Leper Messiah, he didn’t”: The story of every song Dave Mustaine co-wrote for Metallica – and what Megadeth did with those riffs

From The Four Horsemen to The Call Of Ktulu, this is everything you need to know about the six (maybe seven) Metallica songs with Dave Mustaine’s name on them