Introduction In case if you are not aware, Professor Anders Ericsson’s research was the inspiration for the 10,000 rule. The rule which got highly popularized in Malcom Gladwell’s book “Outliers.’ However, Ericsson, is a little upset over Gladwell popularizing this concept, because he believes there's more to the 10,000 hour rule. According to him, simply pushing ourselves to achieve those 10,000 hours of practice, to specialize in a particular skill set, is not good enough if you really want to make a mark in your chosen niche. For 10,000 hours to be really fruitful, special focus should be on deliberate practice, as it is the only way forward to achieve greatness in life. But then, it doesn’t stop there. Ericsson suggests us to keep working hard on our skills even after completing those grueling 10,000 hours. To prove the theory of Deliberate Practice right, the author has cited various examples and experiments conducted by neurosciences on musicians, non musici