Modulations can change quickly every 300–500 milliseconds or every second.
Papua New Guinea | singing | Guinea | Equatorial Guinea | Guinea-Bissau | Three Dog Night | Western Province (Papua New Guinea) | Singing | Guinea (British coin) | dog | Bata, Equatorial Guinea | Gulf of Guinea | Papua New Guinea national rugby league team | Dog | Dog Fashion Disco | Bonzo Dog Doo-Dah Band | Foo Dog | Black Dog | Supreme Court of Papua New Guinea | German New Guinea | Dog the Bounty Hunter | Territory of New Guinea | Naughty Dog | Katts and Dog | The Singing Fool | Soccer Dog: The Movie | Portuguese Guinea | Police dog | Mike and the Mad Dog | Maltese (dog) |