For a musician to play precisely what Beethoven or Mozart penned takes years of practice.
And even then, not everyone can reach that lofty goal.
But it is the rare few that have the confidence and skill to deviate from the script. To move away from perfection and improvise just enough to make each and every performance a unique masterpiece.
Getting all the notes right is hard.
Mastering the soul of the music is when the magic happens.