This is unacceptable in any situation, professional or not. Your commitment should be towards the band, and towards your music, not towards who's paying or not paying youThis is simply unacceptable IMO. And disrespectful. To me it’s an automatic, immediate dismissal. In any professional band I’ve ever been part of it wouldn’t be tolerated.
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If one has such a shallow interest in music, better find another "hobby", table tennis will not ruin you vacation plans
