A dad and his adult son in a muddy field for three days with £200 each, surrounded by food, drink and an abundance of alternative music. That was me and my boy Alfie last weekend and what a wonderful time we had during our third trip to the Download Festival in the hallowed grounds of Castle Donington. You have to make the most of a music festival because sometimes circumstances – especially the weather – are going to be against you. Yep, this year’s sold-out Download was wet, windy and ultimately extremely muddy. And on the sun-drenched Sunday, the rays took everyone by surprise and left many…