Psychedelic albums and performances saw a shift towards new genre in early 70s that combined presentations of music, lyrics, and visuals. Tired of dancing and head banging, audience found more meaning in progressive rock. The lyrics followed a deeper meaning, psychological phenomenon, philosophies, literature and even epic themes. Away from nihilism, violence, sex, and rebellion, prog rock absorbed classical literature, folklore, and intellectual topics such as psychological theories. For example, Pink Floyd’s Animals was inspired from George Orwell’s Animal Farm; Pound’s Genesis’ Selling England was based on T. S. Eliot’s poem The Waste Land; and Rush’s “2112” was influenced by Ayn Rand’s Anthem. Banco del Mutuo Soccorso gave Charles Darwin’s theory of evolution a touch of rock. To rank the best, here is the list of top 10 progressive rock bands.