Question

what is the irony in the statement of the frog then when he says that your song must be your own

Answer 1

The irony is that at first the frog started finding mistakes in her voice he said your voice must be hoarse like me and it should have a force but when Nightingale died he said that she should understand that your voice must be your own..

Answer 2

Here's the irony is that earlier the frog said to nightingale that she should not boast on her original songs but later he told nightingale that her should be of her own.
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