Which genre did "The Jazz Singer" predominantly belong to?

"The Jazz Singer" is predominantly classified as a musical due to its integration of song and performance as central components of its narrative. As one of the first feature-length films to include synchronized sound, it showcased musical numbers performed by the lead character, played by Al Jolson. This innovative approach not only advanced the film industry but also highlighted the musical genre's significance during that era, as it combined the storytelling elements of drama with the energetic and expressive qualities of music and performance. The film's ability to blend these aspects set a precedent for future musicals, emphasizing the importance of sound in cinematic storytelling.