Question

Meaning of this lines with reference to frog and the nightingale :
Everyday the frog who'd sold her
Songs for silver tried to scold her

Answer 1

It means that the frog scold the nightingale as to destroy her and become the one to sing  in the bingle bog..as we already know everyone in the place gathered to hear  the song of the nightingle ..the frog himself earned money from other creatures by selling the song of the nightingle. .but alas! The nightingale died due to heavy practice during rains and that's it

Answer 2

Meaning of this line is Frog use to make profit from Nightingale shows by selling the tickets and when nightingale lost her ability to sing and become weak,, the frog used scold her which lead to death of Nightingale