A CERTAIN RATIO Do The Du (Casse) (Original 1980 US Factory label 4-track 12 single also includes Son & Heir The Fox & an almighty cover of Banbarras Shack Up pasted picture sleeve. The cover shows very little of its years & the vinyl is Near Mint. Post-Punk at its most funky! FACUS4) 1. Shack Up2. Son And Heir3. Do The Du4. The Fox