Sing

25 clues
Blab
Belt
Carol
Chirp
Chant
Trill
Squeal
Warble
Rat on
Hum __
Snitch
__ rat
Descant
Tell all
Serenade
Vocalize
Harmonize
Core group
Do numbers
Birds do it
Troll, e.g.
Be an informer
Spill the beans
Community event
Let the air out?
Similar answers:
&tongued
Aaarating
Aahing
Aameeting
Aameetings
Aamesiowa
Aaronspelling
Aasifmandvi
Aasin
Aasinapple
Aasinare
Abadending
Abandoning
Abang
Abashing
Abasing
Abathingbeauty
Abating
Abbashitsingle
Abbreviating