Almost nothing can make as much difference in your music as having your piano's action (playing mechanism) improved!
Improving your piano's action makes it easier to play! Accordingly, you can do better and have more fun with your music at the same time!
Improving your piano's action makes it sound much more melodic and singing! You will find it much easier to play with expression and feeling.
Improving your piano's action also increases your piano's value! Additionally, your piano will continue to give you enjoyment for many years to come.