Grievous Angel has done a mad garage / folk track and is giving it away free for a bit here:

http://www.factmagazine.co.uk/index.php?option=com_content&task=view&id=1320&Itemid=32

This is what fact say:

'GRIEVOUS ANGEL
'DARKNESS'
(UNRELEASED)
One of dubstep's most diverse producers expands his palette further, cutting up Sheila Chandra's vocals from the recent Imagined Village album. As rude as folk gets? -- Tom Lea'

Grab the dub while you can he said it wont be up for long.