Lose Yourself is a song by US rapper (说唱歌手) Eminem. He wrote it for the soundtrack (影视配乐) to the 2002 movie 8 Mile. The movie is loosely (粗略地) based on Eminem’s life. The song sums up (总结) the story of the movie, and Eminem had to figure out a way to express himself under the guise (伪装) of a fictional (虚构的) character. The character grows up in a poor neighborhood and follows his dream of becoming a rap star. He overcomes (克服) many problems and finally wins the respect of other rappers.