Garry,
this verse comes from the web (http://www.strongcomet.com/wyatt/lyrics/lyrics3.htm), a Robert Wyatt site. It says (lyrics adapted from 'The Song Of The Lower Classes'). I'm not at home here, so I can't check whether it fits.

Wolfgang

We're low - we're low - mere rabble, we know
But, at our plastic power,
The mould at the lording's feet will grow
Into palace and church and tower
Then prostrate fall - in the rich man's hall,
And cringe at the rich man's door;
We're not too low to build the wall,
But too low to tread the floor.
^^