many common instruments , now you know some of these instruments, how to make them, for example, farabi , may god have mercy on us. it was completely aristocratic, do you know music in philosophy, that is. that is, theoretical wisdom and practical wisdom, as they say, theoretical wisdom was theology, mathematics, and natural sciences. at the time of mathematics, it consisted of calculus and geometry, and music, that is, music was completely a mathematical science, and all this was taught in seminaries and was taught in seminaries. and now, at that time, we have nine seminaries in the old style, but. ten fazla in today's field of music jurisprudence completely know the devices and instruments, not only music jurisprudence, basically the wisdom of music. some say that a jurist who wants to judge about music to issue jurisprudence, he must first have a precise and correct understanding of music and then know about it. now about you, i heard that you are familiar with musical structures, but now i don't know the details. for more than a year, i spent serious time in the field of devices and