Harry Kewell calls it rock and roll under Ange Postecoglou but the Celtic boss might feel more like singing the blues after this Champions League campaign.
Or perhaps more like a wistful country and western crooner with a tale of woe and wishful laments for what might have been. It was a now familiar tune last night.
Celtic hit the high notes a couple of times but were punished when they were off-key for a second. That’s all it took for things to turn flat again.
Reo Hatate’s loose pass in midfield, a couple of seconds later and the ball was fizzing into Joe Hart’s net. Up to that point it was easy listening for Celts.
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