In London, Graeme Sinden D.J.’s for thousands; hosts a weekly radio show on Kiss 100, a major hip-hop and dance music station; and is known for his remixes of grime, R&B and, recently, Bjork.\r \r These were facts that maybe one-third of the couple of hundred or so people at the basement nightclub Love on Saturday night, where he was D.J.ing, seemed to know or care about. Such is the conundrum facing the overseas dance music star in New York, where the lack of interest can be chilling. (Just ask Armand Van Helden, the longtime hometown nightclub kingpin who dropped in to listen for a spell.)\r \r Sinden, who D.J.’s and produces under his last name, works in a genre sometimes called fidget-house, thanks to its glitchy, disruptive flights of fancy over punishing, throbbing 4/4 beats. Owing debts to the funk-influenced electro of the early 1980s and to early strains of Chicago house music, it’s also absorbed tricks from more popular dance genre...