- [page needed]
Aronson (2009), p. 278
Boldrey (1994), p. [page needed]
Nashville Opera Archived 2008-02-29 at the
Wayback Machine Boldrey (1992), p. [page needed]...
-
Correction of
Vocal Faults.
Genovex Music Group. ISBN 978-1-56593-940-0.
Boldrey,
Richard (1994).
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Caldwell Publishing...
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Dramatic Soprano, Vol. 1.
Rowman & Littlefield. ISBN 978-0-8108-0188-2.
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Soubrette Spinto soprano Notes Coffin (1960) [page needed]
Boldrey (1994) [page needed]
Sources Boldrey,
Richard (1994).
Guide to
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called a coloratura-singer, but only
reaching e′′′"
Boldrey 1994,
various Coffin 1960, p. [page needed]. Apel 1968, p. [page needed]...
- the D'Oyly
Carte Opera Company Showboat – Kern/Hammerstein.
Boldrey 1994.
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Theory and Application.
Indiana University Press. ISBN 978-0-253-20378-6.
Boldrey, Richard;
Robert Caldwell;
Werner Singer; Joan Wall;
Roger Pines (1992)...
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Wilder Penfield and his co-investigators
Edwin Boldrey and
Theodore Rasmussen are
considered to be the
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Theory and Application.
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Boldrey,
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Historical Tenors.
Retrieved 12 July 2021.
Boldrey,
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