20 апр 1999 г. - Album: Operation: Doomsday

Описание:

"MF Doom (born Daniel Dumile) earned his solo fan base with 1999’s Operation: Doomsday" *1
"it was an old metal prop mask that became synonymous with his first full length release, Operation: Doomsday, under the moniker MF DOOM, released via indie label Fondle ’Em Records in 1999" *2

1) http://www.prefixmag.com/features/unconventional-weaponry/12328/
2) https://noisey.vice.com/en_us/article/the-evolution-of-mf-doom-1