AND COLOUR ORGAN. ALL THE LATEST SYNTHETIC MUSIC." They entered. The air seemed hot and somehow breathless with the scent of ambergris and sandalwood. On the domed ceiling of the hall, the colour organ had momentarily painted a tropical sunset. The Sixteen Sexophonists were playing an old favourite: "There ain't no Bottle in all the world like that dear little Bottle of mine." Four hundred couples were five-stepping round the polished floor. Lenina and Henry were soon the four hundred and first. The saxophones wailed like melodious cats under the moon, moaned in the alto and tenor registers as though the little death were upon them. Rich with a wealth of harmonics, their tremulous chorus mounted towards a climax, louder and ever louder-until at last, with a wave of his hand, the conductor let loose the final shattering note of ether-music and blew the sixteen merely human blowers clean out of existence. Thunder in A flat major. And then, in all but silence, in all but darkness, there followed a gradual deturgescence, a diminuendo sliding gradually, through quarter tones, down, down to a faintly whispered dominant chord that lingered on (while the five-four rhythms still pulsed below) charging the darkened seconds with an intense expectancy. And at last expectancy was fulfilled. There was a sudden explosive sunrise, and simultaneously, the Sixteen burst into song: