[v] divulge information or secrets; spill the beans; "Be careful--his secretary talks"
[v] make a whining, ringing, or whistling sound; "the kettle was singing"; "the bullet sang past his ear"
[v] to make melodious sounds; "The nightingale was singing"
[v] produce musical tones with the voice; "She was singing while she was cooking"; "My brother sings very well"
[v] deliver by singing; "Sing Christmas carols"