Meanings of trembling strings in English

It only needs an angel's hand to touch the trembling strings.

Do you not feel the thrill in the wind- ajoyanswering the trembling strings?

Amidst trembling strings the oboe d'amore plays the "third theme."

Then his harp is silent, as if the rapture which thrilled the trembling strings had snapped them.

To trembling strings and flashing harp the high reed pipes again the song of the Boulevard, echoed by low bassoons.

Then, in antiphonal blast of horns and trumpets sounds the fatal doom in grim monotone (in descending harmony of trembling strings):

From the opening horn calls over delicately trembling strings to the triumphantly other worldly finale this was a powerful, rich and absorbing performance.

The room was beating like a heart, and the pulse was regulated by the trembling strings of the most popular quadrille band in Wessex.

But this is followed by a still greater climax of moving pathos whence we descend once more to lyric meditation (over trembling strings).