Authors:

Soft as Memnon's harp at morning, To the inward ear devout, Touched by light, with heavenly warning Your transporting chords ring out. Every leaf in every nook, Every wave in every brook, Chanting with a solemn voice Minds us of our better choice.

John Keble (1829). “The Christian year, thoughts in verse for the Sundays and holydays throughout the year [by J. Keble].”, p.52
Soft as Memnon's harp at morning, To the inward ear devout, Touched by light, with heavenly warning Your transporting chords ring out. Every leaf in every nook, Every wave in every brook, Chanting with a solemn voice