What made rock and roll difference from the music that came before ir?

Rock and roll distinguished itself from earlier Music Genres through its fusion of rhythm and blues, country, and jazz elements, characterized by a strong backbeat and catchy melodies. It emphasized electric Guitars, energetic performances, and a youth-centric culture, reflecting the social changes of the 1950s. Additionally, rock and roll often addressed themes of rebellion and romance, resonating strongly with a younger audience and paving the way for future music styles. This genre's cultural impact also marked a shift towards more expressive and diverse musical expressions.