King's Disease is the thirteenth studio album by American rapper Nas. It was released on August 21, 2020, through Mass Appeal Records and marketed by Universal Music Group. It succeeds his twelfth studio album, Nasir, released two years prior. The album features guest appearances from Charlie Wilson, Hit-Boy, Big Sean, Don Toliver, Lil Durk, Anderson .Paak, Brucie B, Nas's supergroup the Firm, Fivio Foreign, and ASAP Ferg. King's Disease received generally positive reviews and was viewed by music critics as a return to form following the critical disappointment of Nasir (2018). The album won the Grammy Award for Best Rap Album at the 63rd Annual Grammy Awards, becoming Nas' first Grammy. The album's sequel, King's Disease II, was released on August 6, 2021 and is Nas's first release to be marketed by Sony Music (through The Orchard subsidiary) since the release of Street's Disciple in 2004. Background Following the release of his twelfth studio album Nasir, Nas stated that he would be working on an unfinished album produced by Swizz Beatz and RZA, who both contributed to Nas' compilation album The Lost Tapes 2 in 2019. However, on August 10, 2020, Nas announced via Instagram he would be releasing a different album produced and executive produced by American record producer Hit-Boy, which would become known as King's Disease. Four days later, on August 14, Nas released the album's lead and only single, "Ultra Black", featuring Hit-Boy. Music videos The official music video for the album's final track and only bonus track, "Spicy", featuring American rappers Fivio Foreign and ASAP Ferg, was released on October 2, 2020. The official music video for "Replace Me", featuring American rapper Big Sean and American singer Don Toliver, was released on October 21. Critical reception King's Disease was met with generally positive reviews from music critics. At Metacritic, which assigns a normalized rating out of 100 from mainstream publications, the album received an average score of 72, based on nine reviews. Andy Kellman of AllMusic felt that the album was an improvement from the rapper's work in recent years, writing: "Nas is more ruminative and measured, like he's found his stride again, even as he flagrantly contradicts himself and waylays men and women with relationship advice that rings hollow. Going strictly by the conviction and feeling in each line, King's Disease is the MC's best work since 2008." Robin Murray of Clash wrote: "'The King's