13 pages | PDF | 4.0 MBKarn Evil 9 is a progressive rock song composed by Keith Emerson and Greg Lake of Emerson, Lake & Palmer. It is written in a 126-measure form, with a key signature of A♭ major and F minor. The song is a classic example of the band's signature style, blending classical music influences and adventurous instrumental passages with catchy melodic hooks and energetic rhythms. The lyrics tell the story of a dystopian future where the world is controlled by a powerful machine and its inhabitants have lost their freedom. Karn Evil 9 is a powerful testament to the group's musical prowess and stands as one of the most popular songs in their discography.