Singing during Voice Change: Boiling Frogs and Tipping Points

Summary

The evidence from vocal health research, Physical Stress Theory and Catastrophe Theory, and the information derived from detailed acoustic analysis of voice production suggest that the appearance of relatively easy phonation in the upper pitch range can be deceptive. There is a high level of expertise needed in order to finely judge the approaching tipping point into vocal catastrophe, and this may in fact be impossible to anticipate. In order to ensure a safe and fulfilling musical experience for all concerned, it is recommended that until further research in undertaken, that the Cooksey system is implemented to evaluate the changing voice rather than the extended range system.

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