tunefully
Definitions
In a manner that is pleasant, musical, or melodious.
With a good sense of pitch or harmony.
Examples
The birds sang tunefully in the garden as the sun began to rise.
She hummed tunefully while she worked, making the atmosphere in the room much more pleasant.
Synonyms
melodiously harmoniously musically sweetly dulcetly sonorously euphoniously
Antonyms
discordantly harshly cacophonously dissonantly unmusically gratingly stridently