That's just another expression of the Great-You-Shut-Up, Flora. It's the cultural trend that says the average person has no right to sing or make music.

You can tell the person who wrote it (if you can use 'wrote' for something so slavishly imitative) that no matter how he sneers, we enjoy our instruments and intend to keep playing them.
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Clemdane, if you are still around, I agree with you.