New movie finds Celtic's soul on a journey from Montreal to Glasgow via Ireland

The sun was dropping low on the horizon as my brother marched me along the Western Road.
I'd just seen my first ever football game up close - a pre-season friendly between Cork City and Glasgow Celtic in Bishopstown. A delightfully pony-tailed Billy Woods scored a magnificent volley that night but I was more taken with the guests, in their immaculate black jerseys with green vertical stripes. I had read about Celtic a lot in Shoot! magazine and something about them - the colours, the crest, the hoop-design - even persuaded me to give one of their players, John Collins, a place on my hallowed and competitive bedroom wall.