Final answer:
The Jazz Singer, released in 1927 by Warner Bros, is important for being the first successful talking motion picture, representing a major shift in the film industry.
Step-by-step explanation:
The 1927 Warner Bros film, The Jazz Singer, is historically significant because it was the first successful talking motion picture. This film starred Al Jolson and marked the transition from silent movies to talkies, forever changing the landscape of cinema. Addressing themes of cultural assimilation and generational conflict, it told the story of a Jewish man who pursues a career in jazz music, much to the chagrin of his cantor father. Its introduction of synchronized dialogue popularized sound films and led to the widespread adoption of this new technology in Hollywood.