dul·cet  (dul-sit)
adj.
1.a. Pleasing to the ear; melodious. b. Having a soothing, agreeable quality.
2. Archaic Sweet to the taste.
[Alteration (influenced by Latin dulcis) of Middle English doucet, from Old French, diminutive of douce, feminine of doux, sweet, from Latin dulcis.]

"Sparsit; after acknowledging the compliment with a drooping of her dark eyebrows, not altogether so mild in its expression as her voice was in its dulcet tones; 'as regards the intimacies we form at one time, with individuals we were quite ignorant of, at another." - Hard Times by Dickens, Charles 

The House Music Whore