Ha! In fairness it could have been that, always a pack of steradent tablets in the house! But it's definitely a harmonica, he had a couple of them, self taught from his childhood days in Wigan. Simple times and happy days. I look like I was built like Ian Banks V2!!
Great game. Spent hours playing this in the 70s. Bought it again in the 90s for my own kids and it was just as good. It was almost my choice for this thread, but it was just pipped by Bobby Charlton's Casdon Soccer.