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? with D minor and A minor chords. Where the album's main character, Pink's question about how he should fill out the gaps in his wall was of a rhetorical nature in "Empty Spaces", "What Shall We Do Now?" lists the diversions, possessions, and vices of a rock star (""Shall we buy a new guitar / Shall we drive a more powerful car / Shall we work straight through the night / Shall we get into fights / Leave the lights on / Drop bombs ..."") in response. The two tracks are easily confused. The tape speed for "Empty Spaces" was