Echad Mi Yodea

Echad Mi Yodea (Yiddish: ווער קענ זאָגן ווער קענ רעדן ver ken zogn ver ken redn) (Ladino: "ken supyese i entendyese") (Hebrew: אחד מי יודע ekhád mi yodeá) (Bukhori: Yakumin ki medonad?) (Who Knows One?) is a traditional cumulative song sung on Passover and found in the haggadah. It enumerates common Jewish motifs and teachings. It is meant to be fun and humorous, while still imparting important lessons to the children present.

Recitation varies from family to family. The song, first has versions in Yiddish and Hebrew, and many other vernacular languages. Sometimes it is played as a memory game, recited without looking. Sometimes the goal is to recite the entire verse in one breath.

Although it can appear to be simply a juvenile children's song, an important message is being imparted to those present at the Passover table. The main theme of Passover, and particularly of the Seder, is not only the physical freedom of a nation of slaves. More importantly, it is the spiritual and mental freeing of this people, to become a nation unto God, His "Chosen People". As His people, the Jewish Nation is expected to be wholly at one with God, and to relate everything in their lives to Him. It is sometimes thought that word association reveals the unconscious mind. Thus, it is at this point in the Seder that the Jews sing this cumulative song. After relating God's wonders and kindness, and the events of the Exodus, the song demonstrates how everything can and should relate to God: "If I say 'One', you think 'God!', if I say 'Five', you think 'Books of Moses!'"

According to the Encyclopaedia Judaica, this song is first found in Ashkenazi Haggadot of the 16th century. It is believed to have originated in Germany in the 15th century, possibly based on a German folk song "Guter freund ich frage dich", which means "Good friend, I ask you".

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