"Music" is a 2021 film directed by Sia, centering on a young woman named Zu, played by Kate Hudson, who becomes the guardian of her autistic half-sister, Music, portrayed by Maddie Ziegler. The film explores themes of family, acceptance, and the challenges of caregiving, as Zu navigates her new responsibilities while dealing with her own struggles. The story highlights the transformative power of music and connection. The film received mixed reviews, particularly regarding its representation of autism.

The movie "Music," directed by Sia, is not based on a true story. It is a fictional narrative that centers around the character of Music, a non-verbal autistic girl. The film explores themes of family, acceptance, and the challenges faced by individuals with autism, but it does not depict real-life events or individuals. The film received mixed reviews, with some praising its intention to raise awareness about autism, while others criticized its portrayal of the autistic experience.

Determining the "best" musical movie of all time is subjective, but many critics and audiences often cite "The Sound of Music" (1965) as a top contender. Directed by Robert Wise and starring Julie Andrews, it features memorable songs and a heartwarming story set against the backdrop of World War II. Other strong contenders include "West Side Story" (1961), "Singin' in the Rain" (1952), and "La La Land" (2016). Each of these films has left a significant impact on the genre and continues to be celebrated for their music and storytelling.

No, Kate Hudson did not shave her head for the movie "Music." In the film, she portrays a character named Zu, who has a unique and vibrant look, but her hairstyle does not involve shaving her head. The film, directed by Sia, features Hudson in a role that showcases her musical talents, but her appearance was achieved through styling rather than a drastic change like shaving her head.