"Walk Hard: The Dewey Cox Story" is a musical comedy film released in 2007. It parodies the biographical films of famous musicians, focusing on the fictional character Dewey Cox, a troubled singer-songwriter. The film follows Dewey's rise to fame, his struggles with personal demons, and the impact of his relationships on his career. The movie features a variety of original songs that reflect different musical styles, showcasing Dewey Cox's journey through the music industry. It stars John C. Reilly as Dewey and includes appearances by actors like Jenna Fischer and Kristen Wiig. The film received positive reviews for its humor and musical performances.