"While he was with Miles [Davis], Coltrane was tagged with the phrase 'sheets of sound.' Jazz critic Ira Gitler had first used it. These 'sheets of sound' were multinote hailstorms of dense textures that sound like a simultaneous series of waterfalls. 'His continuous flow of ideas without stopping really hit me,' Gitler said. 'It was almost superhuman. The amount of energy he was using could have powered a spaceship.'"