I have removed the previous posts. The most valuable lessons from tango may only be learned through dancing, not by reading abstract concepts from a blog. On the contrary, if you have an abstract concept about some aspect of tango before you dance, it may actually prevent you from learning. So those texts were not helpful.
Here in Buenos Aires, I have put lot of effort on practice. I have found some of the ideas in the following articles helpful in my practice. Still, I don’t necessary agree with everything they say, nor is my aim to become “elite achiever” in tango.
If You’re Busy, You’re Doing Something Wrong: The Surprisingly Relaxed Lives of Elite Achievers
The basic idea in this article is that less is more. Elite violin players do not practice more than mediocre violite players. They just make more out of the practice.
Advice on Getting Better from an Accomplished Piano Player
According to this article, some people become addicted to flow, and value it as the end goal of the activity. But if you want to improve, you need deliberate practice, on your weaker points, which will break the flow. Just dancing under flow may improve your strong points, but not push the envelope by improving your weak points. Additionally, to master something, you need to practice on something that is more difficult than the one you want to mater. I also found very interesting the comment that during performance, great piano have a very clear idea, feeling, image, sensation about the piece they are performing, and try to go towards this, instead of just reacting to their own mistakes.
The Grandmaster in the Corner Office: What the Study of Chess Experts Teaches Us about Building a Remarkable Life
This article describes good practice in more detail, as well as what good teachers tend to do.