Oh William this is a great story! I laughed because I can so identify ha ha! Been there, done that. Most people choosing their own literature will find these hidden challenges in what otherwise looks like a totally easy piece to play. I agree with you on remaining faithful to the written music, as it is not ours to ‘de-compose’, but our duty to stick to it as written. If we want to write music, we are so welcome to be original and play our own music with as much leisure as we desire! As for keeping your word on this selection for a recital, I would not be so unmovable! If you could enjoy working on a similar piece with a little less technical challenges, it would be well within reason! Meanwhile, you discovered a piece that provides big things technically, and you could still work on it. Have fun!