The newly established publisher AMS – Dimiourgon Odeio is dynamically presented in the field of publishing with the educational book Solfege for Theories A ‘, B’ and C ‘. The book contains exercises for all three years of Rhythmic Solfege Theory. There are a total of thirty exercises of which the first ten refer to the first year of Theory, the next ten to the second year of Theory and the last ten to the third year. Each exercise includes three different types of exercises, the G.A.F. Speed Reader , the rhythmic Do-Re-Mi, the rhythmic with keys. At the end of the book there are 45 two-part exercises, divided into three years of Theory. Rhythmic Solfege A ‘, B’ and C ‘Theory is a book that introduces the reader to the world of music Theory in a simple and, at the same time, analytical way.