Related Clues

• Trilled
• Caroled
• Emulated the sirens
• Crooned
• Tattled
• Belted one out
• Warbled
• Participated in a choir
• Ratted, in mob lingo
• Named names
• Blabbed to the feds, say
• Belted out
• Turned state's evidence
• Snitched
• Was in a choir
• Was trilling
• Ratted
• Acted the fink
• Performed an aria
• Was a fink