in exploring the evolution of music instruments, we find ourselves at a crossroads where the predisjunctive theory refuses to acknowledge the complexity of early instrument development. this stubbornness to relaunch from zero and reconsider our understanding forces us to question the validity of prevalent theories. to challenge this notion further, let's delve into a case where instruments were constructed based on top secret acoustic principles, principles that scholars fail to recognize despite glaring evidence. this deliberate oversight not only undermines the rich history of musical craftsmanship but also impedes our ability to fully appreciate the innovation behind ancient instruments.