Even the demons can know how to love. Look at Beelzebub, who still had the potential to develop and awaken bodhichitta!
However, if you really want to comprehend such high art, you need to awaken your consciousness. This is impossible without the creative force of understanding, sexuality, Binah.
The tendency in most of humanity, however, is to love music that vibrates with their degenerated level of being.
Just because some love classical music doesn't make them elevated. It merely means that such divine art can awaken some sparks of intuition in people, like stoking embers in a dying fire. Yet sadly, most people do not know the methods for developing inspirational knowledge, and so cannot fully benefit from the divine art of the masters.