I am just curious... What makes you so important that you need to seperate the two? It might be that your opinion of yourself might be very high? For the average person, does it really matter?
To get to the crux of the matter (maybe?) I'd ask you the same thing. I assume your government name is not Satosora. Why choose that nym, as opposed to something tied to your government name?
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No, it is not my christian name, but l am not the one trying to build a face to face business, am l?
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I figured you'd answer as such.
To be clear, I'm not trying to sound snarky, I'm genuinely curious in the answer to the question, but you didn't actually answer the question.
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I don't think the OP was looking at this as an ego thing. I think his point is that his business is dependent on HIS abilities, which must be advertised. Musicians want him, not any random guy, for this type of work.