The theory presented in this Book II is, of necessity, merely the barest outline for the Teacher to follow. It is imperative that much additional drill be given, both as assigned written work to be done at home, and as ear training and dictation at every lesson.

If the teacher has a piano in the studio, the problem is simplified in that the pupil can see the intervals. However, a piano is in no way necessary. Theory can be taught on the harp IF the ear training has been constant and thorough....