If you ever wonder about the power of music, then look no further than Dreamland in Margate. When Dreamland reopened back in 2015, trading as a ‘vintage’ funfair it was great to have it back. Far better the site, just across the road from the town’s glorious stretch of beach, was used for its historic purpose than become, say, a load of housing. But its limitations in a world of whizz-bang rollercoasters and extravagant experiences elsewhere were clear to see. It made its ensuing struggles one of the least surprising aspects of its revival. By the end of the year it had its big relaunch to suc…