Billy was a friend of mine We grew up together ever since we were nine We went to school, he was my best friend I thought our friendship would never end ♪ Then we left school and went up to college He studied medicine and I studied foliage He made touch-downs, while I played pool Nobody ever knew, which one of us was a fool ♪ Then war broke out and he had to go But not me, I was mentally unfit, or so they said, so so When he came back, he wasn't quite the same at all He wasn't the guy I knew, it was like talking to a wall Yeah-yeah-yeah-yeah ♪ Billy was a friend of mine Grew up together ever since we were nine We went to school, he was my best friend Always thought our friendship would never end Come on Billy boy, go, go, go ♪ Billy was a friend of mine