"...because if it doesn't directly challenge or comment on the status quo then it tacitly endorses it."

DiScuss with reference to:

'Monster' by The Automatic
'Kid A' by Radiohead
'Xmas Steps' by Mogwai
'American Idiot' by Green Day
The Eurovision Song Contest
'Things can only get better' by D:Ream
'America' by Razorlight

or don't.