XL.—THE HARP.
The principal musical instrument—Description—Four sets of chords—Strings of electricity—Marvellous variation and depression of the notes—Echoes and responses—Diapason changed to an extraordinary extent—Different characters of sound produced—Examples—Harp language; how taught—Accompaniments—Harp beautiful as a work of sculptural art—Movement of birds, flowers, and foliage, and exhalation of perfume in accord with the music—How idea was suggested