This is a bad analogy because food is dual purpose - nutrition and enjoying the taste.
Music is just about subjective enjoyment - you will not get cancer if the piano was not in tune - and if you can't tell the difference then it is irrelevant to your experience.
Music is just about subjective enjoyment - you will not get cancer if the piano was not in tune - and if you can't tell the difference then it is irrelevant to your experience.