There was an emphasis on instrumental virtuosity, with Yes showcasing the skills of both guitarist Steve Howe and keyboard player Rick Wakeman, while Emerson, Lake & Palmer were a supergroup who produced some of the genre's most technically demanding work.
Púxose énfase no vistuosismo instrumental, con Yes amosando as habilidades do guitarrista Steve Howe e do teclista Rick Wakeman, mentres que Emerson, Lake & Palmer foi un supergrupo que produciu algúns dos traballos tecnicamente máis esixentes do xénero.