(a.) Harmonious; melodious; musical; as, tuneful notes.

achingly sweet agreeable agreeable-sounding appealing ariose arioso canorous cantabile catchy dulcet euphonic euphonious euphonous fine-toned golden golden-tongued golden-voiced harmonic honeyed melic mellifluent mellifluous mellisonant mellow melodic melodious music-flowing music-like musical pleasant pleasant-sounding rhythmic rich silver-toned silver-tongued silver-voiced silvery singable smooth songful songlike sonorous sweet sweet-flowing sweet-sounding tunable tuned