At the end of the day you’re a musician first and a marketer second. It’s always okay to bring in some outside help, but knowing the most common marketing mistakes musicians make will help you set yourself above the crowd by embracing the new opportunities available to you for promoting your music.
What was once second nature becomes a constant fight. Years of practice, study and natural talent can completely disappear forcing a complete relearning of everything they once knew, or worse the end of their musical career.