dulcet
adjective
(especially of sound) sweet and soothing (often used ironically).
record the dulcet tones of your family and friends
sweet,sweet-sounding,mellifluous,euphonious,soothing,mellow,honeyed,pleasant,agreeable,melodious,melodic,tuneful,musical,lilting,lyrical,harmonious,silvery,silver-toned,bell-like,golden,easy on the ear,mellifluent