Hrvatski Telekom dd: brings the premiere of Beethoven’s 10th Symphony, completed with the help of AI


  • The completion of the Symphony was prompted by the 250th anniversary of the birth of Ludwig van Beethoven
  • Behind the project lie 66 GB of material, more than 10,000 documents exchanged and two million notes
  • You can watch the world premiere of the 10th Symphony, which lasted 730 days, live on October 9 via:

Deutsche Telekom, together with a group of international musicians and AI experts, will present one of the most important cultural projects in the world on Saturday 9 October – 10e Symphony by Ludwig van Beethoven.

Work on Beethoven’s 10e Symphony, which debuted in June 2019, ran for a full 730 days. It involved ten scientists and AI experts working at Harvard and Cornell, 56 musicians from the Bonn Symphony Orchestra, organist Cameron Carpenter, all led by award-winning musician and technology strategist Dr Matthias Röder.

The 10e Symphony was selected because of the 250e anniversary of the birth of Ludwig van Beethoven, one of the most famous composers in the world. In the last year of his life he started writing the 10e Symphony and unfortunately could not complete it, leaving the world deprived of another masterpiece. The completion of Beethoven’s “tenth” was born in response to the question of whether artificial intelligence could be creative.

In order for the project to be successful, artificial intelligence analyzed the entire artistic legacy of Beethoven – symphonies, notes, musical drafts and sheet music, which were converted into a machine-readable form. The most applicable machine learning method was then selected, using voice processing algorithms, because music, like language, is made up of small units – letters or notes – that only make sense when they are significantly combined, which was particularly important for this experiment.

After two years of hard work, 66 GB of material, more than 10,000 documents exchanged and 10,000 musical recordings and two million notes with which artificial intelligence has been practiced, the Symphony will be premiered on October 9, 2021, from 7 p.m. at the Telekom Forum. in Bonn. Another performance will take place on October 27 at the Elbphilharmonie, one of the most famous classical music concert halls in the world.

The world premiere of Beethoven’s 10e Symphony will be available live via:, and BMG record company will release the album “Beethoven X – The AI ​​Project” on CD and digitally on all platforms. Until then, a short audio recording of the 10th Symphony is available for listening here.

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