Never been given an hour to get the sound right. As a consequence, we can do it in 20 minutes, less if we really, really have to...
Best 'turn it down' was a hotel we played in Montrose as part of the music festival up there - it was a very posh place, they didn't really want bands on, clearly, but had been dragged into the whole thing as pretty much every other place in the town was hosting gigs. On arrival, they said "Can you play quietly over there?", pointing to a small corner. Accordingly, we set up small (PA tops only, minimal kit, acoustic as much as possible), and the drummer hit the snare once to test it - not hard - the Woman In Charge came scuttling over "Oohhh no no no, that's far too loud: we've a tea dance going on next door, you can't disturb them."...