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He composed it for the opening of the John F.Kennedy Center for the Performing Arts in Washington,D.C., in nineteen seventy-one.
VOA: special.2009.08.02
So they began to call this A and this B and this C and this D and this E, this F, this G.
他们开始把这叫做A,B和C,这个是D,E,F,G
We got to go C, D, some kind of E, F.
而是C,D,某种E,F
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