It’d be an understatement to say that there’s been a few high profile career curveballs of late. Private complaints resulted in the resignation of a defence secretary, sexist Facebook comments culminated in the suspension of an MP and Beyoncé announced her first foray into acting. Heck, even the Queen turned out to be a shareholder in rent-to-buy retailer BrightHouse (kinda). Spare a thought for James Holden, who amongst all these revelations has quietly executed a brilliant career change of his own, albeit with much less than his fair share of the limelight.   Holden has always had a taste for…