不列颠前卫摇滚-对三个运动的一个观察 Prog Rock Britannia - An Observation in Three Movements

　　Prog Rock Britannia is a comprehensive, feature-length documentary about progressive music and the generation of bands that made it - from the international success stories of Yes, Genesis, ELP, King Crimson and Jethro Tull, to the trials and tribulations of the lesser-known bands such as Caravan and Egg.
　　 The film is structured in three parts, charting the birth, rise and decli...