Ha Lahma Anya (This is the Bread of Affliction) is one of the introductory paragraphs of the Haggadah, discussing the matzah and expressing the hope of freedom in the Land of Israel. Here is its melody as sung in Livorno by Hazzan Daniele Bedarida: http://web.nli.org.il/sites/nlis/he/Song/Pages/song.aspx?songid=346#8,136,3533,707 And here is the melody as sung by Rev. Abraham Lopes Cardozo, late hazzan of Shearith Israel in New York: https://www.youtube.com/watch?v=NC9I1VKO2k