Related Clues:

• High-ranking exec, for short
• Busy place's buzz
• Newborn's vocal milestone
• Murmur sweet nothings
• Whirring
• What you may hear from a dove
• Sing with the mouth shut
• Vocalize like a pigeon
• Generator's output
• Dove or baby noise
• Pigeons do what?
• Make throaty call in disco obvious
• Dove’s call
• Imitate a dove
• Pigeon's gentle sound