A female whistling long and loudly.
A gentle pulsating whistling sound of air being blown across the open neck of a glass bottle .
A female whistling or cheering.
A descending figure played on a wooden flute
A human whistling with his hand to produce a bird sound.
Thin and reedy toy train whistle
Short rhythmic loop played on traditional South American samba whistle
A man is whistling a little melody.
A whistling effect from a human beatbox.