Hetty Feather - Season 1 Episode 5 -

The foundlings must perform a hymn by composer Mr Melrose to sing at a charity lunch but they are bored by it so kindly Nurse Winterson teaches them a music hall song, with the result that Matron sacks her. Hetty, aware that the nurse is the sole provider for her invalid father, persuades the children to go on strike and refuse to sing at the lunch but Matron tries to call her bluff by threatening punishment. Fortunately the children stage a concert of their own which so impresses Mr Melrose that he persuades Matron to reinstate Nurse Winterson.