Where do you find the sun song in legend of Zelda ocarina of time

You have to go to the graveyard. When you get there go to the grave of the royal family. Then play Zelda's Lullaby so that a hole will open. Go into the hole. go into the doors, ru past the redead and go to the slate. Check it amd on the bottom craved it are he notes for the sun's song. The sun's song will turn it form day to night and will freeze redead.