Whistle register
Encyclopedia
The whistle register is the highest register
Vocal registration
A vocal register is a particular series of tones in the human voice that are produced by one particular vibratory pattern of the vocal folds and therefore possess a common quality....

 of the human voice
Human voice
The human voice consists of sound made by a human being using the vocal folds for talking, singing, laughing, crying, screaming, etc. Its frequency ranges from about 60 to 7000 Hz. The human voice is specifically that part of human sound production in which the vocal folds are the primary...

, lying above the modal register and falsetto register. This register has a specific physiological production that is different from the other registers, and is so called because the timbre
Timbre
In music, timbre is the quality of a musical note or sound or tone that distinguishes different types of sound production, such as voices and musical instruments, such as string instruments, wind instruments, and percussion instruments. The physical characteristics of sound that determine the...

 of the notes that are produced from this register is similar to that of a whistle
Whistle
A whistle or call is a simple aerophone, an instrument which produces sound from a stream of forced air. It may be mouth-operated, or powered by air pressure, steam, or other means...

.

In some soprano
Soprano
A soprano is a voice type with a vocal range from approximately middle C to "high A" in choral music, or to "soprano C" or higher in operatic music. In four-part chorale style harmony, the soprano takes the highest part, which usually encompasses the melody...

s, the modal register vocal production may extend into what is usually thought of as the whistle register. With proper vocal training, it is possible for women within all voice types to develop this part of the voice. However, some women are unable to phonate or comfortably produce sound in this register. Children can also phonate in the whistle register and men can as well in very rare instances.

Physiology and definition

The whistle register is the highest phonation
Phonation
Phonation has slightly different meanings depending on the subfield of phonetics. Among some phoneticians, phonation is the process by which the vocal folds produce certain sounds through quasi-periodic vibration. This is the definition used among those who study laryngeal anatomy and physiology...

al register, that in most singers begins above the soprano
Soprano
A soprano is a voice type with a vocal range from approximately middle C to "high A" in choral music, or to "soprano C" or higher in operatic music. In four-part chorale style harmony, the soprano takes the highest part, which usually encompasses the melody...

 "high C" (C6 or 1,046.5 Hz) and usually extends to about two Ds above (D7 or 2349.3 Hz). The lower part of the whistle register may overlap the upper parts of the modal and falsetto registers, making it possible for singers to phonate these notes in different ways. However, fundamentally the whistle register is most commonly used to produce pitches above C6. As with the other vocal registers, the whistle register does not begin at the same point within every voice, and there are rare voices which can extend the whistle register much higher or lower than the range listed above. For example, some opera
Opera
Opera is an art form in which singers and musicians perform a dramatic work combining text and musical score, usually in a theatrical setting. Opera incorporates many of the elements of spoken theatre, such as acting, scenery, and costumes and sometimes includes dance...

 singers can sing up to the "high" F above "high" C without entering into the whistle register.

The physiology
Physiology
Physiology is the science of the function of living systems. This includes how organisms, organ systems, organs, cells, and bio-molecules carry out the chemical or physical functions that exist in a living system. The highest honor awarded in physiology is the Nobel Prize in Physiology or...

 of the whistle register is the least understood of the vocal registers. Unlike other types of vocal production, it is difficult to film the vocal cords while they are operating in this manner as the epiglottis
Epiglottis
The epiglottis is a flap that is made of elastic cartilage tissue covered with a mucous membrane, attached to the entrance of the larynx. It projects obliquely upwards behind the tongue and the hyoid bone, pointing dorsally. The term, like tonsils, is often incorrectly used to refer to the uvula...

 closes down over the larynx
Larynx
The larynx , commonly called the voice box, is an organ in the neck of amphibians, reptiles and mammals involved in breathing, sound production, and protecting the trachea against food aspiration. It manipulates pitch and volume...

 and the resonating chamber assumes its smallest dimensions. It is known that when producing pitches in this register, vibration occurs only in some anterior portion of the vocal folds. This shorter vibrating length naturally allows for easier production of high pitches.

Although the whole physiological production of whistle tone is not understood, it is known that when the laterals are active but the transversus inactive, a triangular opening is seen between the arytenoids, the vocal processes contact each other, but the posterior parts at the apex do not contact each other. The exception to this would be if the vocal folds are not stretched, as stretching of the vocal ligaments abducts the vocal processes.

Whistle register in children

Many babies and small children of both sexes can produce sounds in the frequency range of the whistle register without any conscious effort. Typically, the whistle register in children extends from the soprano "high C" (C6 or 1046.5 Hz) to two Gs above (G7 or 3136.0 Hz). Some children, however, can produce pitches that surpass the upper limit of the keyboard. Some medical professionals advise that children should be discouraged from going into the whistle register frequently for fear that such use of the voice could cause permanent damage to the vocal cords or vocal dysfunctions that affect speech and phonation
Phonation
Phonation has slightly different meanings depending on the subfield of phonetics. Among some phoneticians, phonation is the process by which the vocal folds produce certain sounds through quasi-periodic vibration. This is the definition used among those who study laryngeal anatomy and physiology...

.

Uses of the whistle register

In European classical music, the whistle register is used primarily by coloratura sopranos. Many parts in the coloratura soprano
Coloratura soprano
A coloratura soprano is a type of operatic soprano who specializes in music that is distinguished by agile runs and leaps. The term coloratura refers to the elaborate ornamentation of a melody, which is a typical component of the music written for this voice...

 repertoire extend beyond "high C" and often extend up to high F (F6). Although many coloratura sopranos use whistle tone vocal production to sing these notes, some operatic sopranos are capable of singing up to "high F" (F6) without utilizing the vocal production associated with the whistle register but remaining in the modal register. That being said, most coloratura sopranos do utilize the whistle register, particularly when singing staccato notes in rapid succession, during high trills, or other elaborate coloratura
Coloratura
Coloratura has several meanings. The word is originally from Italian, literally meaning "coloring", and derives from the Latin word colorare . When used in English, the term specifically refers to elaborate melody, particularly in vocal music and especially in operatic singing of the 18th and...

 ornamentation in the upper tessitura
Tessitura
In music, the term tessitura generally describes the most musically acceptable and comfortable range for a given singer or, less frequently, musical instrument; the range in which a given type of voice presents its best-sounding texture or timbre...

. Rarely will coloraturas use whistle tone when doing high extended notes. However, singers like Mado Robin
Mado Robin
Madeleine Marie Robin, known as Mado Robin , was a French coloratura soprano.She was born in Yzeures-sur-Creuse, Touraine, where she owned the Château Les Vallées. A star of television and radio in the 1950s, she was well known in France...

 were noted for doing so. Also, some rare coloratura sopranos do not need to use whistle register at all. Probably the best-known example of the whistle register in European classical music is in the "Queen of the Night" aria
Aria
An aria in music was originally any expressive melody, usually, but not always, performed by a singer. The term is now used almost exclusively to describe a self-contained piece for one voice usually with orchestral accompaniment...

 (properly titled "Der Hölle Rache kocht in meinem Herzen
Der Hölle Rache kocht in meinem Herzen
"Der Hölle Rache kocht in meinem Herzen" is the second aria sung by a coloratura soprano role Queen of the Night in Mozart's opera The Magic Flute .-The aria:...

") from the Mozart
Wolfgang Amadeus Mozart
Wolfgang Amadeus Mozart , baptismal name Johannes Chrysostomus Wolfgangus Theophilus Mozart , was a prolific and influential composer of the Classical era. He composed over 600 works, many acknowledged as pinnacles of symphonic, concertante, chamber, piano, operatic, and choral music...

 opera
Opera
Opera is an art form in which singers and musicians perform a dramatic work combining text and musical score, usually in a theatrical setting. Opera incorporates many of the elements of spoken theatre, such as acting, scenery, and costumes and sometimes includes dance...

 Die Zauberflöte; it calls for pitches up to F6.

In Western popular music
Popular music
Popular music belongs to any of a number of musical genres "having wide appeal" and is typically distributed to large audiences through the music industry. It stands in contrast to both art music and traditional music, which are typically disseminated academically or orally to smaller, local...

, the whistle register is used with more variety and to produce much higher pitches than are called for in classical music. While it is mostly used by females, such as Mariah Carey
Mariah Carey
Mariah Carey is an American singer-songwriter, record producer, and actress. She made her recording debut with the release of her eponymous studio album in 1990, under the guidance of Columbia Records executive Tommy Mottola, whom she later married in 1993...

 and Minnie Riperton
Minnie Riperton
Minnie Julia Riperton was an American singer-songwriter best known for her 1975 single "Lovin' You". She was married to songwriter and music producer Richard Rudolph from 1972 until her death in the summer of 1979. They had two children - music engineer Marc Rudolph and actress/comedienne Maya...

, there are a few male singers who use it. However, it is currently a male, Adam Lopez
Adam Lopez
Adam Lopez Costa billed as Adam Lopez is a pop musician, vocal coach, and session vocalist. He is noted for his ability to produce extremely high notes in his whistle register and for his extensive vocal range...

, who holds the Guinness Book of Records title for the highest vocal note (C#8) by making extensive use of the whistle register. The female singer, Georgia Brown, was listed in the 2005 Guinness World Records for highest note (G10) ever reached, but this claim was removed by the time the 2007 edition came out due to a lack of any verifiable recording of such a feat.
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