Breakfast piano minute: An fantasy on an Austrian Folk Song from a slightly disheveled pianist.
Errors give feedback. As adults we understand errors present themselves in many ways. Sometimes they are hidden in disguise.
The most effective way of dealing with errors of execution on the piano bench is to step back and listen again to your practice recording, Make note in the score of the problem areas, and then consider the following.
The picture above is from The Musician's Way, a book I highly recommend.
You've got to learn your instrument. Then, you practice, practice, practice. And then, when you finally get up there on the bandstand, forget all that and just wail.
I'm a professional pianist and music educator in West Toronto Ontario. I'm also a devoted percussionist and drum teacher.