Five lectures given by the author in the United States: I. Principles, II. Music material, III. Methods, IV. Technique, V. School age and an appendix containing his articles: Role and Place of Folksongs in Teaching Music, The Kodály Method and its Musical Basis, The Validity of the ‘Hundred-Year Plan’ are published in this book together with a closing chapter A Late Epilogue, reflecting on new situations and trends in music education. (Published in 2009, second enlarged edition,144 pages, paperback)