Prologue by Robert Hunter

Long ago, in a galaxy far away A civilization send out a radio signal Hoping to detect signs of intelligence life in the universe We have received that signal and are ready to respond Through the only coherent language Civilization has developed specifically for transmission Across the vastness of the interstellar space Rock and roll Ladies and gentle men, adjust your headset And clear the channels For the first contact between intergalactic cultures Five, four, three, two, one, zero