In the Court of the Crimson King
King Crimson's "In the Court of the Crimson King" is a pioneering album in the development of progressive rock. The album drew upon influences like Procol Harum, The Moody Blues and The Nice to form a sound melding rock and roll with classical influences in long pieces of music. Similar albums by The Moody Blues, Procol Harum and The Nice, as well as Genesis, Yes and Pink Floyd were also released this year, expanding the range of prog rock and developing it into a full-fledged genre.