Melody used as the European Union's anthem (3,2,3)

I believe the answer is:

ode to joy

(Other definitions for ode to joy that I've seen before include "Words set in Beethoven's Ninth" , "Schiller poem in Beethoven's Ninth" , "Anthem" , "Schiller's contribution to the Choral" .)

I've seen this clue in The Wall Street Journal.

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