Music can be beautiful, and for those who play an instrument, the musical experience is even richer, especially if you want to be a professional musician. Here is some advice on what you need to know to become a musician.Choose Your Instrument. Get to Know Your Instrument. Take lessons. Another essential step to becoming a musician is to take lessons. Find Reasons to Perform. A big part of being a musician is your ability to perform. Consider Music School. Another option is to consider going to a performing arts high school or university. Your Goals. There are so many roads you can travel down to be a musician, the only way to really keep it straight is to set goals and define your own path.