What makes a successful musician

I think hardworking is the most important key to become a successful musician.whatever you are a genius or have a rich family , you also need catch something by yourself , that is the really able you own . we can not change and control objective situation , so hardworking is only thing you should do . Langlang is the good example , when he started play the piano, his mother empty house all of his interest in things, just let him attention on the major , than he spend a whole day to practice the skill except eating time and sleeping until now , whatever if a good way to improve himself ,the true is he become a successful musician finally.