The most important thing to remember is that your artist bio is not a rambling autobiography or the introduction to your future memoirs: Your bio is a professional sales tool. But many new or emerging DIY artists cannot necessarily afford to pay a high-quality professional bio writer and are tasked with writing their own. When you sit down to write your bio, you need to know that it is just a small part of a much bigger picture: your marketing strategy. Your marketing strategy must communicate what you have to offer to your fans. And you need to show your value in terms your fans can understand.
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When you write your bio, you are NOT writing your autobiography. You are writing a music business document. Your bio then is written FOR the music business contacts you want to impress, deal with, and create lasting relationships with. (because you are into this for the long haul, aren’t you?)