. . . . . . . . . "Barbershop harmony for music educators"@en . . . "A syllabus on barbershop harmony for music educators : an activity for high school boys sponsored by the Society for the Preservation and Encouragement of Barber Shop Quartet Singing in America and endorsed by Music Educators National Conference"@en . . . "Bibliography"@en . . "Handbooks and manuals"@en . "Juvenile works"@en . . .