In 1954 a thirty-three-year-old Argentine bandoneon player arrives in Paris with a scholarship and a folder full of symphonic scores. He has already won a prize at home with a symphony, he has studied with Alberto Ginastera, and he wants to become a serious composer. He goes to take lessons from Nadia Boulanger, the most authoritative composition teacher of the century, who trained half of America, from Copland to Carter. He brings her his works. She reads them.
The judgment she gives him is the most useful thing that ever happened to him, and also the most unpleasant. She tells him, in essence, that the music is well written. That the craft shows. And that there is nobody inside. She hears Stravinsky, she hears Bartók, she hears Ravel, and she does not hear Piazzolla.
Then she starts to question him. What music do you play. What work do you actually do. He circles the question for days, because he is ashamed of the answer: for a living he plays the bandoneón in the dance orchestras of Buenos Aires, that is, he plays tango, which at that moment is nightclub music, considered second-rate stuff by anyone who has studied. In the end he admits it. She asks him to play one.
He sits at the piano and launches into one of his tangos. Boulanger stops him after a few bars, takes his hands and tells him that this is Piazzolla, and that he must never leave that road again. He will return to that episode for the rest of his life, in dozens of interviews, always in the same words.
The interesting thing is not the anecdote, which is moving and, like all moving anecdotes, has been polished smooth by repetition. The interesting thing is that she was right technically, and it can be demonstrated. Piazzolla was writing symphonic music by applying European models to material that did not belong to him, and the result was correct and neutral. When he turned the direction around, he did the same operation in reverse: he took the material that did belong to him, the tango, and applied to it everything he had learned. The fugue, the counterpoint, the dissonances, the long forms. He did not stop being the composer he wanted to become, he stopped using the wrong material.
He paid the price at home, and it was not small. In Buenos Aires the tango was a liturgy with precise rules about how to play it and how to dance it, and what he brought back from Paris was unacceptable: new instruments, electric guitar, harmonies that did not resolve, pieces you could not dance to. For years he was publicly insulted as the man who had ruined the tango. His recurring answer was that he had not killed the tango, he had taken it out of the cemetery.
The point that concerns anyone working across genres today is here, and it is a distinction almost everyone misses. Piazzolla does not make a crossbreed of two repertoires. He does not take a tango and put strings on top, which is the dance-band operation, nor does he take a classical form and slip an exotic rhythm into it, which is the conservatory operation. He does something more radical: he treats the tango as a complete language, with a grammar of its own, and writes complex music inside it the way a European composer wrote inside the sonata. The difference between these two operations can be heard in two seconds and it is the difference between a piece that lasts and one that smells of the occasion.
Boulanger did not teach Piazzolla to make tango. She took away his shame at making it, which is something that is rarely taught and that is usually not in the syllabus. He already had everything: ten years of dance orchestras in his hands, and ten years of study in his head. What he lacked was permission.
He died in Buenos Aires in 1992. His music is now played in concert halls, performed by string quartets and symphony orchestras, and it has entered the repertoire exactly in the place where, at thirty-three, he dreamed of entering. It got there through the door he was ashamed to name.