The sixth track on Kurt Vile’s latest opus is titled ‘Rollin’ With the Flow’ helpfully encapsulating the ambling, shambling rhythms and can kicking nonchalance the Philadelphia songwriter has long been celebrated for. As always with Vile’s work though, clouds are never too far from spoiling his sunny skies and Bottle It In sees the darker depths of his artistry grow ever murkier. Typically preoccupied with Vile’s dazed yet disarmingly astute ponderings and observations, Bottle It In succeeds in creating an intensely personal connection with the listener, often lending the impression that we have a direct link to Vile’s inner monologue.…