Who won the Grammy in 1992 for Best Rap Solo Performance with "Mama Said Knock You Out"?

The Grammy in 1992 for Best Rap Solo Performance was won with the song "Mama Said Knock You Out". This song was part of the album "Mama Said Knock You Out", the fourth studio album by American rapper LL Cool J, which was produced mostly by Marley Marl. It was released in August 1990 after being recorded at Marl's "House of Hits" home studio in Chestnut Ridge, New York and at Chung King's "House of Metal" in New York City. The specific song "Mama Said Knock You Out" was released as a single in February 1991 by Def Jam Recordings to commercial and critical success.

The single reached No. 17 on the Billboard Hot 100 and was certified Gold by the Recording Industry Association of America (RIAA). The Grammy Award for Best Rap Solo Performance is an honor that is presented to music recording artists (LL Cool J and others) for their quality rap performances.

LL Cool J said in his autobiography that the idea for the song came from a discussion with his grandmother. He had said to his grandmother that he felt that he couldn't survive as a rapper. He felt that gangsta rap was now very popular, and he was being dissed by several up-and-coming rappers. In "Mama Said Knock You Out", the song takes various shots at Kool Moe Dee.