It reached atop of the charts in nineteen other countries. 'Lose Yourself' was a commercial success, becoming Eminem's first Billboard Hot 100 number-one single and remaining there for twelve consecutive weeks. The song incorporates several aggressive themes, largely dealing with the struggles dealt with by B-Rabbit, and how he eventually overcomes his many problems and obstacles to gain the respect of other rappers. The song's lyrics explicitly sum up the background of Eminem's character in 8 Mile, B-Rabbit, with the first verse summing up much of the plot of the movie. It was released on October 28, 2002, as the lead single from the soundtrack. The song was composed and produced by Eminem, longtime collaborator Jeff Bass, one half of the production duo Bass Brothers and Luis Resto. ' Lose Yourself' is a song by American rapper Eminem from the soundtrack to the 2002 motion picture 8 Mile.