The Soloist is a 2009 drama film based on the true story of Nathaniel Ayers, a homeless musician with schizophrenia. Jamie Foxx portrays Ayers, a talented cellist who becomes the subject of a newspaper column written by journalist Steve Lopez, played by Robert Downey Jr. The film explores themes of friendship, mental illness, and the power of music. Foxx delivers a powerful and nuanced performance in The Soloist, showcasing his range as an actor.