euphonically
These beautiful birds sing euphoniously in the spring.
We are more likely to listen carefully if the speech is rhythmically and euphoniously arranged.
They practised for weeks so that their instruments would play together euphoniously.
In "The Lark Ascending", the composer euphoniously expresses birdsong as formal music.

SMART Vocabulary: related words and phrases

Describing qualities of sound
audibly
boomy
chocolatey
chuff
clomp
crackling
ear-splitting
melodically
melodiously
metallically
murmurous
murmurously
silvery
squeaky
staccato
thready
tinnily
tunefully
tunefulness
tunelessly