Which author inspired Metallica's song 'For Whom the Bell Tolls'?

The author who inspired Metallica’s song “For Whom the Bell Tolls” was Ernest Hemingway.

The song appears on Metallica’s second studio album, Ride the Lightning, released in 1984. Its title and subject come from Hemingway’s 1940 novel For Whom the Bell Tolls, which is set during the Spanish Civil War and explores death, sacrifice, and modern warfare.

Metallica’s lyrics allude particularly to a battlefield scene in which soldiers are killed during an airstrike. The song’s anti-war perspective is therefore literary rather than a reference to another musician or horror writer. The title itself ultimately traces back further to a meditation by the English poet John Donne, though Hemingway’s novel is the direct inspiration credited for the song.

A notable musical detail is Cliff Burton’s distorted bass introduction, played with a wah pedal. Burton developed the idea before joining Metallica, and the finished recording also uses an anvil strike to create the opening bell-like sound. The song was recorded in Copenhagen and became one of the band’s most recognizable concert staples.