Nancy Telfer. Teach sight-singing in just 5-10 minutes a day! This easy-to-use method, written for beginners or experienced sight-singers needing a review, can be used with school or church groups, private students or voice classes. The Teacher's Guide contains all of the material found in the Vocal Edition, plus detailed yet concise instructions for each lesson. Experienced teachers and those who have never taught sight-singing (even those who cannot sight-sing themselves!) will find a wealth o