The goal of Progressive Rock was to give rock music greater cultural depth and credibility. The term "progressive" refers to rock's progression from its typically American blues roots to a greater focus on musical composition, melody, and harmony, with influences from classical music, particularly symphonic music. This documentary, through interviews with key figures and industry insiders of the time, traces the history of this musical genre in Italy, where it took root with great force, celebrating creativity and commitment. It also highlights the intertwining of music and society during a period of great turmoil and change.