
1) Act the informant 2) Act the ratfink 3) Appear at La Scala 4) Attempt a number 5) Audition for American Idol 6) Be a prima donna 7) Be a rat 8) Be a stool pigeon 9) Be a stoolie 10) Be an informer 11) Belt 12) Belt it out 13) Belt one out 14) Belt out 15) Belt out a tune 16) Blab 17) Blab freely
Found on
https://www.crosswordclues.com/clue/sing

1) Bla 2) Blab 3) Cantillate 4) Chant 5) Croon 6) Name names 7) Ownup 8) Peep 9) Rat 10) Solmizate 11) Tell 12) Troll 13) Tweedle 14) Vocalise 15) Warble
Found on
https://www.crosswordclues.com/clue/sing
[My Chemical Romance song] `Sing` is My Chemical Romance`s fourth track and second single from their fourth and final studio album, Danger Days: The True Lives of the Fabulous Killjoys. The official single artwork was posted on the band`s website on October 2010. `Sing` marks the first time a song of the band has reached adult contemporary ...
Found on
http://en.wikipedia.org/wiki/Sing_(My_Chemical_Romance_song)

• (v. i.) To tell or relate something in numbers or verse; to celebrate something in poetry. • (v. t.) To influence by singing; to lull by singing; as, to sing a child to sleep. • (v. i.) To make a small, shrill sound; as, the air sings in passing through a crevice. • (v. i.) Ti cry out; to complain. • (v. t.) To utter with...
Found on
http://thinkexist.com/dictionary/meaning/sing/
Sing intransitive verb [
imperfect Sung or
Sang ;
past participle Sung ;
present participle & verbal noun Singing .] [ Anglo-Saxon
singan ; akin to Dutch
zingen , Old Saxon & Old Hig...
Found on
http://www.encyclo.co.uk/webster/S/106
Sing transitive verb 1. To utter with musical inflections or modulations of voice. « And they
sing the song of Moses, the servant of God, and the song of the Lamb.»
Rev. xv. 3. « And in the darkness
sing your carol of high praise.»
Keble....
Found on
http://www.encyclo.co.uk/webster/S/106

Sing is American slang for to confess or act as an informer.
Found on
http://www.probertencyclopaedia.com/browse/ZSA.HTM

[
v] - deliver by singing 2. [v] - produce musical tones with the voice 3. [v] - to make melodious sounds
Found on
http://www.webdictionary.co.uk/definition.php?query=sing
verb make a whining, ringing, or whistling sound; `the kettle was singing`; `the bullet sang past his ear`
Found on
https://www.encyclo.co.uk/local/20974
No exact match found.