In a world increasingly defined by disconnection under the guise of digital bonding, Joel Plaskett is an analogue holdout, making his most solid connections the old-fashioned way, through the electrifying, uplifting experience of his live shows. The warmth and care with which he works shines through on his albums, self-produced and recorded to tape at his New Scotland Yard studio in downtown Dartmouth. But there’s no better spot than under the bright lights of the stage to catch one of…