Upon reciting the acronym "D'tzach adash b'achav," wine is spilled.  
This tradition was reformed by King Josiah, and the Second-Temple era service focused on Psalms 113 through 118.  Traditional songs associated with this observance include Adir Hu and Had Gadya.  Upon reciting the acronym "D'tzach adash b'achav," wine is spilled.  The Magid begins with a discussion of "the bread of affliction", and also includes the tale of the Four Sons and the Four Questions.  Also including the breaking of the middle matzah and hiding of the afikoman, the story of the Exodus is told before the meal is eaten.  For 10 points, name this traditional Passover meal.
This tradition was reformed by King Josiah, and the Second-Temple era service focused on Psalms 113 through 118.  
Passover Seder