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Vocal control in voice pedagogy: A comparative analysis of Estill Voice Training, Speech Level Singing, and Complete Vocal Technique
Abstract
In voice pedagogy, vocal control is a fundamental concept referring to the conscious, balanced, and functional management of the physiological, acoustic, and perceptual components involved in the voice production process. While traditionally conveyed through metaphorical approaches, this skill has acquired a measurable and systematically teachable structure with advances in contemporary voice science. In this context, the ways in which Estill Voice Training (EVT), Speech Level Singing (SLS), and Complete Vocal Technique (CVT) -widely used in contemporary literature-approach vocal control constitute an important area of inquiry. The aim of this research is to comparatively examine these three approaches within the context of vocal control. The research aims to present a holistic theoretical framework to voice educators by exploring how these approaches conceptualize vocal control, the levels of anatomical awareness they are based on, and how they structure it within pedagogical processes.
Designed as a qualitative research study, document analysis was used as the primary data collection method. The data set consists of foundational methodological books, pedagogical materials, and peer-reviewed articles retrieved from international databases (Scopus, Web of Science, etc.) related to EVT, SLS, and CVT. The obtained data were analyzed using thematic content analysis combining deductive and inductive strategies. In the analysis process, data were categorized under the themes of anatomical awareness level, vocal control mechanisms, pedagogical tools, and fields of application, and evaluated through a comparative matrix.
The research findings indicate that the examined approaches structure vocal control within different pedagogical priorities. Estill Voice Training demands a high level of anatomical awareness and an analytical process based on vocal control on the independent and conscious management of laryngeal structures (isolated muscle control). In contrast, Speech Level Singing centers on speech-based natural coordination and relaxation, structuring anatomical control as an indirect and perceptual process; it aims to reduce tension during register transitions. Complete Vocal Technique, on the other hand, offers a rule-based structure with high technical clarity that systematizes vocal control through four defined vocal modes (neutral, curbing, overdrive, edge) and technical parameters.
The study concludes that vocal control is not a uniform skill; it is shaped by different pedagogical logics: anatomical-analytical in EVT, perceptual-coordinational in SLS, and systemic-technical in CVT. It was concluded that these approaches are not mutually exclusive, but are complementary models that meet different learning needs (anatomical precision, sustainability, or technical power). It is recommended that voice educators adopt a flexible and holistic teaching strategy that combines the strengths of these approaches according to the student’s cognitive state and musical goals, rather than adhering to a single method.
Keywords
References
- Accetta, V. (2022). Estill voice training and the gender non-binary singer. Voice and Speech Review, 16(2), 200-207. https://doi.org/10.1080/23268263.2022.2033437
- Barone, N. A., Ludlow, C. L., & Tellis, C. M. (2021). Acoustic and aerodynamic comparisons of voice qualities produced after voice training. Journal of Voice, 35(1), 157.e11. https://doi.org/10.1016/j.jvoice.2019.07.011
- Bowen, G. A. (2009). Document analysis as a qualitative research method. Qualitative Research Journal, 9(2), 27-40. https://doi.org/10.3316/QRJ0902027
- Braun, V., & Clarke, V. (2006). Using thematic analysis in psychology. Qualitative Research in Psychology, 3(2), 77-101. https://doi.org/10.1191/1478088706qp063oa
- Braun, V., & Clarke, V. (2021). Thematic analysis: A practical guide. SAGE Publications.
- British Educational Research Association. (2018). Ethical guidelines for educational research (4th ed.). https://www.bera.ac.uk/publication/ethical-guidelines-for-educational-research-2018
- Creswell, J. W., & Poth, C. N. (2018). Qualitative inquiry and research design: Choosing among five approaches (4th ed.). SAGE Publications.
- Estill, J. (2005). Estill voice training: Level one & two workbook. Estill Voice International.
Details
Primary Language
English
Subjects
Interpretation in Western Classical Music, Music Education, Music Performance
Journal Section
Research Article
Publication Date
May 4, 2026
Submission Date
February 1, 2026
Acceptance Date
March 25, 2026
Published in Issue
Year 2026 Volume: 11 Number: 2
APA
Gürel, S., & Şakalar, A. (2026). Vocal control in voice pedagogy: A comparative analysis of Estill Voice Training, Speech Level Singing, and Complete Vocal Technique. Online Journal of Music Sciences, 11(2), 599-614. https://doi.org/10.31811/ojomus.1879416
AMA
1.Gürel S, Şakalar A. Vocal control in voice pedagogy: A comparative analysis of Estill Voice Training, Speech Level Singing, and Complete Vocal Technique. ojomus. 2026;11(2):599-614. doi:10.31811/ojomus.1879416
Chicago
Gürel, Sevda, and Alper Şakalar. 2026. “Vocal Control in Voice Pedagogy: A Comparative Analysis of Estill Voice Training, Speech Level Singing, and Complete Vocal Technique”. Online Journal of Music Sciences 11 (2): 599-614. https://doi.org/10.31811/ojomus.1879416.
EndNote
Gürel S, Şakalar A (May 1, 2026) Vocal control in voice pedagogy: A comparative analysis of Estill Voice Training, Speech Level Singing, and Complete Vocal Technique. Online Journal of Music Sciences 11 2 599–614.
IEEE
[1]S. Gürel and A. Şakalar, “Vocal control in voice pedagogy: A comparative analysis of Estill Voice Training, Speech Level Singing, and Complete Vocal Technique”, ojomus, vol. 11, no. 2, pp. 599–614, May 2026, doi: 10.31811/ojomus.1879416.
ISNAD
Gürel, Sevda - Şakalar, Alper. “Vocal Control in Voice Pedagogy: A Comparative Analysis of Estill Voice Training, Speech Level Singing, and Complete Vocal Technique”. Online Journal of Music Sciences 11/2 (May 1, 2026): 599-614. https://doi.org/10.31811/ojomus.1879416.
JAMA
1.Gürel S, Şakalar A. Vocal control in voice pedagogy: A comparative analysis of Estill Voice Training, Speech Level Singing, and Complete Vocal Technique. ojomus. 2026;11:599–614.
MLA
Gürel, Sevda, and Alper Şakalar. “Vocal Control in Voice Pedagogy: A Comparative Analysis of Estill Voice Training, Speech Level Singing, and Complete Vocal Technique”. Online Journal of Music Sciences, vol. 11, no. 2, May 2026, pp. 599-14, doi:10.31811/ojomus.1879416.
Vancouver
1.Sevda Gürel, Alper Şakalar. Vocal control in voice pedagogy: A comparative analysis of Estill Voice Training, Speech Level Singing, and Complete Vocal Technique. ojomus. 2026 May 1;11(2):599-614. doi:10.31811/ojomus.1879416