The Sound of Music is considered a Christmas movie because it was released around the holiday season and includes many themes and elements that are typically associated with Christmas. The story takes place in the winter, and the scenery is often covered in snow. The movie also features several songs that are Christmas-themed, such as "My Favorite Things" and "Silent Night." Additionally, the story follows the von Trapp family, who find their way out of Nazi-occupied Austria through the power of music, which has the potential to bring joy and hope to even the darkest of times. All of these factors contribute to making The Sound of Music a Christmas movie