1 is a compilation album released by American nu metal band Korn in October 2004.

and a compilation of all three parts of Pink Floyd's "Another Brick in the Wall" and "Goodbye Cruel World".

These were the final songs recorded with their full original lineup, as guitarist Brian Welch left the band shortly after the album's release in February the following year, until his return in 2013, by which time drummer David Silveria had departed permanently.

1 debuted and peaked at number four on the Billboard 200, achieving a Platinum certification by the RIAA.

[4][5] For unspecified reasons Korn left off three of their hits, "Thoughtless", "No Place to Hide" and "Good God" but included songs "Trash" and "Twist" on the album, though neither were released as singles.