Driving down La Cienega Boulevard a Brandenburg brings me to tears. I can actually conduct Corialon and Egmont. The thrill of my voice in harmony with others singing Palestrina, Bach, or Cole Porter Wagner makes me forget his racism Bernedette Peters singing Sondheim. I, my wife, and a packed Covent Garden are in love with her. Certain modules of the brain are responding to inputs from the environment.
Lyrics obviously suggest activity in language mechanisms.
But what about the contours and sequences of various pitches, setting lyrics aside. Psycholinguists like Noam Chomsky and Steven Pinker have established convincingly that there is a Universal Grammar. Leonard Bernstein was the first to propose that there is a Universal Musical Grammar and it has since been supported by other theorists. It is logical to assume that all auditory systems in the animal kingdom evolved in accordance with the physics of harmony, specifically the overtone series. This would explain why there seems to be a degree of accessibility in all the worlds music cultures.