Nix these legs

prog rock sound popular in the early 1970's, High production values cleanly recorded where each instrument is able to be distinguished, Virtuosic playing throughout, Instruments on track are drums, electric bass, guitar, electric piano, various synthesizers, Opening section should explore a theme/hook and then go into double-time to make it grander, Multiple time signatures including the Purdie Shuffle, Epic guitar and synth solos, Track should be about 8 minutes long, beginning, middle, and end are (or variations on) the theme/hook established at the start