Sweet is every sound, Sweeter thy voice, but every sound is sweet; Myriads of rivulets hurrying thro' the lawn, The moans of doves in immemorial elms, And murmuring of innumerable bees.
The technical history of modern harmony is a history of growth of toleration by the human ear of chords that at first sounded discordant and senseless to the main body of contemporary professional musicians.