P.F.M., B.M.S. and Le Orme were just the tip of the iceberg of a widespread movement with its own characteristics. Well, I think you have to know in some way the movement that generated those feelings, those energies and those sounds... Many people don't care about lyrics or the ideology behind music but I feel there's something important missing when you don't understand what the music is about: often music reflects our times and becomes the voice of a generation and sometimes talking about music can be a way of talking about other issues, as dreams, politics, history, social customs...