Elementary Principles of Harmony: For School and Self-Instruction is a music theory book written by Salomon Jadassohn and originally published in 1895. The book provides a comprehensive guide to the fundamental principles of harmony, aimed at both students and individuals who wish to learn music theory on their own. The content covers basic concepts such as scales, chords, intervals, and progressions, and gradually progresses to more advanced topics such as modulation, counterpoint, and chromatic harmony. The book is organized in a logical and systematic manner, with clear explanations and numerous examples and exercises to reinforce understanding. Overall, Elementary Principles of Harmony is a valuable resource for anyone seeking to develop a solid foundation in music theory.This scarce antiquarian book is a facsimile reprint of the old original and may contain some imperfections such as library marks and notations. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world's literature in affordable, high quality, modern editions, that are true to their original work.