"Jazz Singer" is a landmark film released in 1927, recognized as the first feature-length movie with synchronized sound. It stars Al Jolson as Jakie Rabinowitz, a young man who dreams of becoming a jazz singer while facing family pressures to follow a more traditional path. The film is notable for its use of synchronized musical numbers, which was revolutionary for its time. The movie's success marked the beginning of the decline of silent films and the rise of "talkies," or films with sound. "Jazz Singer" is often credited with changing the film industry, influencing how movies were produced and enjoyed by audiences worldwide.