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Title: wow, you're not too bright are you...
Review: For one, the valve covor cant affect the tone quality! It's covoring the valves, the most it can affect the tone is making the tone better by reducing the vibration. You must just suck at the trumpet. It might fall off every once in a while but it only about [...] bucks so suck it up. Sorr you had a good playing day after u took it off, don't be stupid though.
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