PROPUESTA DE UN MƒTODO TEîRICO-PRçCTICO PARA DESARROLLAR LA TƒCNICA DE BASE COMòN EN LAS ESPECIALIDADES DE CLçSICO, MODERNO Y JAZZ PARA SU INTEGRACIîN EN EL SISTEMA EDUCATIVO ACTUAL Resœmen inglŽs ABSTRACT The dissertation Proposal of a theoretical and practical method to develop the common basic techniques in the fields of classical music, modern and jazz for integration into the current educational system is born from the doctoral thesis by Antonio Perez Ruiz Influence of Jazz within the more representative classical repertoire of the twentieth century. Its purpose is to continue with that line of research and to propose a working method common to modern music, classical music and jazz, in order to establish a set of criteria and methodological foundations versatile and suitable for formal or non-formal music education. This work provides novel and indispensable means of studying directly encompassing interpretation, creation and improvisation. Its purpose was to seek unity in diversity and order in the complexity, linking various elements and techniques from different cultures and trends in a rational methodical approach, exclusive, and both understandable and practical for the student or professional. There are many contents that have been taken into account in determining the basic elements of all tendencies studied in order to work, among other things, the common basic techniques. Among the most crucial components of the work, its important to highlight the fusion of several foundations and techniques of the twentieth century, as well as the analysis of the most representative pieces of the classical and jazz repertoire for saxophone. This realization and further analysis reveals a personal system called Tri / tetrac—rdico for the creation, identification and analysis of scales. The above system is the primary focus of this dissertation, and as a result, the link between the most important systems of melodic-harmonic elaboration of the twentieth century. The primary knowledge of the resources raised in this dissertation, it is essential to assimilate and to face the music of the twentieth century in a general way, as well as to acquire methodologically great skill to approach any style or music.