Когда включили радио, концерт шел у

Когда включили радио, концерт шел уже примерно с полчаса

Результаты (английский) 1:

When turned on the radio, the concert was about half an hour

Результаты (английский) 2:

When turned on the radio, the concert was already about half an hour

Результаты (английский) 3:

When have included radio, concert was already with approximately half an hour