If you spend any time studying successful individuals, you’ll notice that they all have one particular trait in common: They were all laser focused.
If you aspire to be a musician, check out this article by career specialist Peter Spellman, who helps match people with opportunities in the creative industries:
Musician 2.0, 3.0, 4.0…Developing Music Careers in Uncertain Times. A Psycho-Spiritual-Musical Manifesto. (I love this guy!)