"Singing Methods." . . . . "Voix." . . "Chant Étude et enseignement." . . "Chant Méthodes." . . "The science and sensations of vocal tone : a school of natural vocal mechanics"@en . "The science and sensations of vocal tone"@en . . "The science and sensations of vocal tone" . . "Methods" . . "The science and sensations of vocal tone; a school of natural voice mechanics"@en . . "The science and sensations of vocal tone; a school of natural voice mechanics" . . . . . . . "The science and sensations of vocal tone : a school of natural mechanics" . . . . "The science and sensations of vocal tone; a school of natural vocal mechanics" . "The science and sensations of vocal tone; a school of natural vocal mechanics"@en . . . "The science and sensations of vocal tone : a school of natural voice mechanics"@en . . . . . . . . . . . . . . "Science and sensations of vocal tone"@en . . . . . . . . . . . . . "Science and Sensations of Vocal Tone"@en . . . . "The science and sensations of vocal tone a school of natural vocal mechanics"@en . . "The science and sensations of vocal tone : a school of natural vocal mechanics" . "The science and sensations of vocal tone : A school of natural vocal mechanics" . "Methods (Music)" . "Methods (Music)"@en . . . "Singing." . .