Then they were silenced; heralded by the waving tremolo of the violin-part, which formed a bristling bodyguard of sound two octaves above it—and as in a mountainous country, against the seeming immobility of a vertically falling torrent, one may distinguish, two hundred feet below, the tiny form of a woman walking in the valley—the little phrase had just appeared, distant but graceful, protected by the long, gradual unfurling of its transparent, incessant and sonorous curtain.