Spanish wine the southern Mediterranean coast are suitable for producing grapes of high alcohol levels and low acidity. Spanish wine laws created the "Denominación de Origen" (DO) system in 1932 and were later revised in 1970. The system shares many similarities with the hierarchical "Appellation d'origine contrôlée" (AOC) system of France, Portugal's "Denominação de Origem Controlada" (DOC) and Italy's "Denominazione di origine controllata" (DOC) system. As of 2009, there were 79 Quality Wine areas across Spain. In addition there is "Denominación de Origen Calificada" (DOCa or DOQ in Catalan) status for DOs that have a consistent track record for quality. There are
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