Voices of InfluenceBrian ManternachInnbundetEngelskDel av serien National Association of Teachers of Singing BooksLegg i handlekurvNettlager
Voices of InfluenceBrian ManternachPocketEngelskDel av serien National Association of Teachers of Singing BooksLegg i handlekurvNettlager
Practical Vocal AcousticsKenneth BozemanPocketEngelskDel av serien National Association of Teachers of Singing BooksLegg i handlekurvNettlager
Everyday Voice CareJoanna CazdenPocketEngelskDel av serien National Association of Teachers of Singing BooksLegg i handlekurvNettlager
