Popular music has shaped culture, society, and technology since the 1950s. From rock and roll to hip-hop, it has reflected and influenced social movements, fashion, and language. This unit explores the genres, artists, and innovations that defined pop music's evolution. Key concepts include the rise of rock and roll, Motown's impact on soul music, and the British Invasion's influence on American pop. We'll examine how technology, from electric guitars to digital production, revolutionized music creation and distribution, and how pop music became a global phenomenon.