What award did Metallica's The Black Album win at the 1999 Billboard Music Awards?

Metallica's The Black Album won Catalogue Album of the Year at the 1999 Billboard Music Awards.

The award recognized the album's exceptional continuing commercial performance years after its 1991 release. Rather than being treated only as a new-release success, the record had become a durable catalog title that continued selling and charting.

The same awards listing records Metallica as the winner of Catalogue Artist of the Year in 1999. The album's longevity helped establish it as one of the most commercially important releases in heavy-metal history.

This honor is distinct from the Grammy connected with the album. Metallica won the Grammy for Best Metal Performance for the album at the 1992 ceremony, while the Billboard recognition came seven years after the original release.