Nick Jackson got plenty of advice beforehand.His big moment would be over in the blink of an eye.Savor it. Take it all in, he was told.So that’s what he did.As the Ohio State University sousaphone player marched into place to dot the “i” in the Script Ohio in September at Ohio Stadium, he soaked up the experience.“I still remember every detail about it,” said Jackson, 22, a Jackson High School graduate and Ohio State senior.The game was against Northern Illinois.