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Words Are in the Mouth—Quality is in the Throat


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        air flow through the vocal tract without the true vocal folds   impact the sustainability of those sounds. The likely result

        set into vibration. Within these exist common consonants   will be a constricted voice quality, breathy voice quality, or
        named by the manner of articulation: plosives, fricatives,   pressed (over-adducted) voice quality due to the interaction

        affricatives, nasals, liquids, and glides (Table 1).     of the voice quality and the high airflow rate of the “s.”

                                                                  Another example might be when asking for a stronger
        Table 1.                                                initial “g” as in the word give. This could cause a larger
        Consonant Chart Categorized by the Manner of            build-up of subglottic pressure below the closed vocal folds
        Articulation                                            causing a pressed sound to occur on the subsequent vowel.
                                                                Therefore, care should be taken to avoid fl ow-on eff ects of
         Manner       Voicing     Common Consonant
                                  Examples                      consonants to preceding and subsequent vowels. Students
                                                                can learn to sustain stopped voice plosives, such as “b” and
         Plosive      Voiceless   “p, t, k”                     “d,” with a reduction of the constriction and subglottal
                                                                pressure. Have singers explore the sensation by singing suc-
                      Voiced      “b, d, g”                     cessive “b’s” and “d’s” as quickly as possible.

         Fricative    Voiceless   “f, th (thin), s, sh, h”
                                                                             Consonants and Onsets
                      Voiced      “v, th (these), z, zh (pleasure)”
                                                                  There are three vocal onsets that can occur at the true
         Aff ricative  Voiceless   “ch” (choice)                 vocal folds: glottal, aspirate, and smooth (simultaneous or
                                                                balanced). These can be performed at various eff ort levels

                      Voiced      “j” or dg” (judge)            of vocal fold closure and rates of airflow. Voiceless conso-
                                                                nants do not have an onset since the vocal folds are not set
         Nasal        Voiced      “m, n, ng”                    into vibration and can therefore intentionally or uninten-
                                                                tionally cause a change in a subsequent vowel onset. For ex-
         Liquids      Voiced      “l”                           ample, sing the word happy on a comfortable pitch. If you


                                                                sustain the initial “h” with a high airflow rate and then pro-
         Glides       Voiced      “w” or “y” (yellow)
                                                                ceed to sing the [a] vowel, the vowel quality of the [a] will
                                                                either be breathy from an aspirate onset or pressed from an

           What follows are a few possible interactions between   effortful glottal onset. Both could have been caused from

        consonants and voice quality. Conductor-teachers should   the high level of airflow in the initial “h.” Singers should be
        keep these in mind when working with consonants in order   trained to perform any desired onset regardless of how the
        to develop consistency in desired voice qualities.      preceding consonant is produced.
                                                                  Voiced consonants all have an initial onset, which can

                                                                have a direct effect on the voice quality as well, although
                     Consonants and Airfl ow/                    these can be adjusted with training. For example, an aspi-
                        Subglottic Pressure                     rate onset, with air starting before vocal fold closure will
           Conductors-teachers should be aware of the level of sub-  likely produce a voiced consonant with a breathy quality.
        glottic pressure in voiced consonants and the level of con-  This may be advantageous for certain pop styles that use a


        striction and airflow rate in voiceless consonants, which can   microphone. A low effort glottal onset may help produce a

        be adjusted with training. For example, when conductor-  closure of the vocal folds prior to airflow, which will likely
        teachers ask singers for louder voiceless fricatives (e.g., “s”),   produce a louder dynamic result. This can be due to the in-
        the constrictive behavior in the throat will likely increase   teraction of glottal onsets thus helping to achieve a thicker
        and the abdominal muscles will contract abruptly. Is this   vocal fold body-cover or chest register voice quality.
        the goal? If that bodily behavior is maintained into the sub-  A smooth onset can help achieve a softer dynamic. Try

        sequent vowel, or if students anticipate this instruction too   to first practice these onsets with a vowel of your choice,
        early while singing the preceding vowel, it can negatively   such as [i]. Then have students sustain the vowel and then


         ChorTeach   Volume 14 • Issue 1                                                 15                                                      www.acda.org/publications
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