At which awards did Metallica win Best Metal Performance for its 1991 album Metallica?

Metallica won Best Metal Performance for its 1991 album Metallica at the 1992 Grammy Awards.

The award recognized the album at the 34th Annual Grammy Awards, held in February 1992. It was a major milestone because Metallica had previously been nominated for ...And Justice for All and “One,” but had not won the category for those releases.

The victory came as the album was rapidly expanding the band's audience. Metallica's self-titled record had already topped album charts in multiple countries and was becoming one of the defining rock releases of the early 1990s.

This award is sometimes confused with the MTV Video Music Award won by the “Enter Sandman” video in 1992. That was a separate ceremony and honored a music video, while the Grammy honored the album's musical performance.