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