Greil Marcus's 'Mystery Train' celebrates its 50th anniversary, maintaining its status as a pivotal work in understanding American music and culture. In an interview, Marcus elaborates on how the book connects historical figures like Elvis Presley and Robert Johnson to broader cultural narratives. The new edition features an expanded 'Notes and Discographies' section, reflecting the ongoing evolution of these stories. Marcus notes that the music's richness generates new interpretations and discussions, keeping the figures alive in contemporary culture. He acknowledges personal reflections on mortality and the impact of loss, which inform the book's latest iteration. The enduring fascination with these artists underscores the book's relevance, as it continues to inspire new generations of musicians and writers.