Mode of Another Brick In The Wall by Pink Floyd?

1. What mode is another brick in the wall?
2. What did Pink Floyd mean by another brick in the wall?
3. Was another brick in the wall banned?

What mode is another brick in the wall?

The melody of this Pink Floyd song seems to be in the Dorian mode, but there is a G chord in the second half of the verse.

What did Pink Floyd mean by another brick in the wall?

In Another Brick in The Wall, one of the most famous tracks of the group, Pink's detachment already has a form, and it is the title itself that suggests it: any tragedy, injustice or abuse can only be “another brick” in an already existing wall.

Was another brick in the wall banned?

The single, as well as the album The Wall, were banned in South Africa in 1980 after it was adopted by supporters of a nationwide school boycott protesting instituted racial inequities in education under apartheid.