Wine fraud "Appellation d'origine contrôlée" (AOC) used in France, the "Denominazione di origine controllata" (DOC) used in Italy, the "Denominação de Origem Controlada" (DOC) used in Portugal, and the "Denominación de Origen" (DO) system used in Spain. Producers who are registered in each appellation must abide by the appellation's rules, including exact percentage of grapes (often 100%) that must come from that region. Producers who fraudulently use grapes outside the region they are proclaiming on their wine labels can be caught by the appellation's authorities. As it became more difficult to fraudulently label wines with the wrong provenance, label fraud soon evolved
What Shall We Do Now? song is the same backing track as "Empty Spaces", but in the original key of D minor. It's a slow, dark progression with a repetitive, electronic drum beat and solo guitar, but where "Empty Spaces" ends and segues into "Young Lust", "What Shall We Do Now?" moves into a second, louder section punctuated with guitar power chords. The transition of D - E - F - E is a recurring theme throughout the album, heard on "In the Flesh?", "In the Flesh", "Waiting for the Worms", and the three "Another Brick in the Wall" songs. The long verse is played