And harmonised by the old choral wall:
LXIV.
Others, that some original shape, or form
Shaped by decay perchance, hath given the power
(Though less than that of Memnon's statue,[673] warm
In Egypt's rays, to harp at a fixed hour)
To this grey ruin: with a voice to charm,
Sad, but serene, it sweeps o'er tree or tower;
The cause I know not, nor can solve; but such