what is the reason for me to be listening to the soundtrack of a boss enemy

I question: for what reason do i, while innocently wandering about, capture the vibrations of a sound that is not characteristic of regular ambience, but instead an entity that excels among others as the strongest, or so called 'Boss?'

why do i hear boss music what is the reason for me to be listening to the soundtrack of a boss enemy I question: for what reason do i, while innocently wandering about, capture the vibrations of a sound that is not characteristic of regular ambience, but instead an entity that excels among others as the strongest, or so called 'Boss?'