Neuroscience of music about Indonesian music: there are two main scales in Java are slendro and pelog. Slendro is a five-tone scale that very roughly approaches equal-size intervals. The intervals vary within a given scale and across orchestras, but the underlying tuning concept can be considered as a rough five-tone equal temperament (5ET).The musical goal of this selection to express social protest against corruption is to incorporate sléndro/pélog scales to the tones of the melody used as chords changing
Se você nao usar práticas comuns e metódicas você corre o risco de se tornar biased (inconscientemente) e tomar decisões por emoção. Por isso existem regras, leis e metodologias de lidar com as coisas.