Claude says:Recorded at Sweet Silence Studios in Copenhagen and released in March 1986, this is Metallica's final album with bassist Cliff Burton, who died that September in a tour bus crash in Sweden. It became the first metal record added to the Library of Congress's National Recording Registry and is widely regarded as a defining work of American thrash. You've circled back to it a handful of times since 2021 — the title track and "Leper Messiah" get the most runs — but it's never stuck around for long.