I'd offer that "good musical taste" is one that is at least somewhat conciously expanded or music is proactively consumed. Someone who "likes just whatever is p

I'd offer that "good musical taste" is one that is at least somewhat conciously expanded or music is proactively consumed. Someone who "likes just whatever is popular on the radio" has poor musical taste, whereas someone who can dives more deeply into music has "good music taste," irrespective of the music itself. But of course it's not something that can be quantitatively measured.