You can't use these until you learn them in the game, but here's a list to help you if you forget.

Zelda's Lullaby: C-Left, C-Up, C-Right, C-Left, C-Up, C-Right.
Epona's Song: C-Up, C-Left, C-Right, C-Up, C-Left, C-Right.
Saria's Song: C-Down, C-Right, C-Left, C-Down, C-Right, C-Left.
Sun's Song: C-Right, C-Down, C-Up, C-Right, C-Down, C-Up.
Song Of Time: C-Right, A, C-Down, C-Right, A, C-Down.
Song Of Storms: A, C-Down, C-Up, A, C-Down, C-Up.
Minuet Of Forest: A, C-Up, C-Left, C-Right, C-Left, C-Right.
Bolero Of Fire: C-Down, A, C-Down, A, C-Right, C-Down, C-Right, C-Down.
Serande Of Water: A, C-Down, C-Right, C-Right, C-Left.
Requiem Of Spirit: A, C-Down, A, C-Right, C-Down, A.
Nocturne Of Shadow: C-Left, C-Right, C-Right, A, C-Left, C-Right, C-Down.
Prelude Of Light: C-Up, C-Right, C-Up, C-Right, C-Left, C-Up.