Description: Progressive rock, often shortened to prog rock, is a genre that emerged in the late 1960s and is characterized by its complex and innovative musical structures. It goes beyond the traditional songwriting conventions of rock music, incorporating elements from various genres such as classical, jazz, and folk. Progressive rock often features extended compositions, intricate instrumental passages, and elaborate arrangements. Key characteristics of progressive rock include virtuosic musicianship, conceptual album themes, and a willingness to experiment with sound and technology. Influential prog rock bands include Pink Floyd, Yes, Genesis, and Rush. The genre experienced its peak popularity in the 1970s but has continued to evolve, with modern bands like Tool and Porcupine Tree carrying on the tradition of pushing musical boundaries. Progressive rock remains influential and celebrated for its artistic ambition and boundary-pushing approach to rock music.