tweedle (v.)
- bay
- beep
- bell
- blare
- blast
- blat
- blow
- bray
- bugle
- carol
- chant
- cheep
- chip
- chirp
- chirrup
- chitter
- choir
- chorus
- clarion
- croon
- descant
- doodle
- flute
- honk
- hum
- hymn
- intonate
- intone
- lilt
- lip
- minstrel
- peal
- peep
- pipe
- psalm
- quaver
- serenade
- shake
- shriek
- sing
- solmizate
- sound
- squeal
- tattoo
- tongue
- toot
- tootle
- trill
- triple-tongue
- troll
- trumpet
- tweet
- twit
- vocalize
- warble
- whistle
- wind
- yodel
