If an apprentice does not hear what a master hears, is then that quality not present in the music? Yes and no. In the world in which the apprentice lives no.
Me and a book is a party. Me and a book and a cup of coffee is an orgy.
Discipline is never an end in itself, only a means to an end.
Music is the cup that holds the wine of silence. Sound is that cup, but empty. Noise is that cup, but broken.
Quiet is the absence of sound. Silence is the presence of silence.
Music can be transformative, utterly transformative. The act of music is utterly transformative.