Fortunate to catch Cailean Maclean’s excellent ‘Crunluath’ programme on BBC Radio Alba last weekend. One track featured the astonishing Stuart Liddell playing some Gaelic airs and kitchen piping. The finger work he is capable of defies belief and all on a richly toned bagpipe with perfect chanter intervals. The problem with this sort of brilliance is that youngsters start trying to imitate what Stuart does before they’ve perfect the basics of…