The Jazz Singer is a 1927 musical film that is widely recognized as the first significant 'talkie,' marking a major turning point in the film industry with its incorporation of synchronized sound and music. This groundbreaking film combined live-action with recorded sound, featuring Al Jolson as a Jewish cantor's son who pursues a career in jazz music. Its success not only transformed Hollywood but also influenced global cinema, showcasing the evolving relationship between technology and storytelling.