anthem
ballad
carol
chant
chirp
chirrup
choir
chorus
croon
descant
do-re-mi
hum
hymn
inflect
intone
lilt
minstrel
modulate
pipe
psalm
quaver
roulade
serenade
shake
sing
sing in chorus
sol-fa
solmizate
thunder
tremolo
trill
troll
tweedle
tweedledee
twit
twitter
vocalize
warble
whistle
yodel
judge
label
pronounce
intonated
intonates
intonating