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Quantifying Vocal Repertoire Tessituras Through Real-Time Measures.

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  • 1Division of Fine Arts, Friends University, 2100 W. University Avenue, Wichita, Kansas 67213.

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Summary

This study shows that score-based tessitura analysis, combined with a singer's Voice Range Profile (VRP), can help select appropriate vocal repertoire. This offers a more systematic approach than traditional methods for voice pedagogy.

Keywords:
Tessitura—Tessituragram—Voice Range Profile—Vocal dose—Voice dosimetry

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Area of Science:

  • Vocal Pedagogy
  • Music Acoustics
  • Bioacoustics

Background:

  • Traditional voice teaching relies on subjective experience for repertoire selection.
  • Quantifiable methods for determining vocal tessitura were previously lacking.
  • New technology allows for real-time measurement of pitch and vocal dose.

Purpose of the Study:

  • To evaluate a systematic approach to voice repertoire selection.
  • To compare performance-based tessituragrams (PRPs) with score-based tessituragrams.
  • To investigate the alignment of singer's Voice Range Profiles (VRPs) with PRPs across different keys.

Main Methods:

  • Four female singers and five expert pedagogues participated.
  • Tessituragrams were generated from musical scores and real-time vocal performances (PRPs).
  • Singer's VRPs and self-perceptions were collected alongside expert panel evaluations.

Main Results:

  • Score-based tessituragrams closely matched performance-based tessituragrams (PRPs).
  • A strong correlation was found between score-derived tessitura, PRPs, VRPs, and singer-reported ease.
  • Expert panel perceptions showed limited correlation with objective performance data.

Conclusions:

  • Score-based tessituragrams show promise for accurately reflecting vocal tessitura.
  • Combining score-based tessitura databases with singer VRPs can aid repertoire selection.
  • Further research may refine the use of objective data in vocal pedagogy.