Think of the opposing muscles (the TA and CT) as involved in a game of tug-of-war, with the TA team being much bigger and stronger. Professional singers make this look easy, but more often than not, they have had years of vocal training to master this balance. Much of your training as a singer will involve balancing this muscular tension. The key is to have these two groups of opposing muscles in a happy balance, the tensions between them dialled in for each pitch.
If you relax the TA too much and the CT or stretching muscles engage too strongly, you will flip to a light falsetto. If you engage too much TA tension when trying to sing higher, your voice will feel heavy and unable to reach the pitch. The relationship between the TA and CT muscles is significant in singing. This method uses a strobe light to record the folds of the human voice in slow motion. Here is a video of what the vocal folds look like when talking and singing. That should give you a better sense of proper medium-level vocal cord closure. The muscles are pressing together too intensely.įinally, say “mmmm” as if you are eating your favourite food. Now grunt as if lifting something heavy – that is too much cord closure or vocal muscle. I often have students do the following simple exercise to experience different degrees of vocal cord closure:įirst, give a sigh – that is too little closure for most singing and practicing. The degree to which the vocal folds close is important as not enough closure gives a weak, breathy sound or what's considered a breathy voice, and too much closure of these bands of tissue creates strain and possible vocal damage. Now when air is blown through the closed folds, they vibrate and make sound, much like the buzzing of a trumpet player's lips.
When you phonate (produce sound or produce speech), the cords are brought together over the top of the trachea or windpipe, and when combined with air flow, it creates vocal fold vibration. The folds are open and apart when breathing.
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