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Do you want to create your own music? Try the very first Google Doodle, artificial intelligence, dedicated to the birthday celebration of the famous German composer and composer Johann Sebastian Bach. cantatas, concertos, suites and choirs.
The Doodle, developed in partnership with Magenta and PAIR teams at Google, is an interactive experience in which the composer plays an organ to celebrate his birthday on March 21, 1685 under the old Julian. calendar, encouraging musicians to compose their own two-bar melody.
By simply pressing a button, the Doodle uses Machine Learning (ML) to harmonize the personalized melody in Bach's musical style.
With interactive Doodle, you "can create your own melody, and thanks to ML's magic, Doodle will harmonize your melody in Bach's style," said Lauren Hannah-Murphy, Program Manager at Google [19659002] "You can also explore the interior of the Doodle to see how familiar tunes of the Bach-ifys model, or how your new collaboration could sound in a more modern rock style," added Hannah-Murphy.
To create the Doodle powered by AI, the teams first created a ML model called Coconet, and then customized it to match Bach's musical style.
Coconet can be used in a wide range of musical tasks, such as harmonizing melodies, creating smooth transitions between disconnected music fragments and composition from scratch.
The team then trained Coconet with 306 harmonizations to Bach's chorale. His choirs always have four voices: each carries his own melodic line, creating a rich harmonic progression when played together.
In addition, to ensure that users around the world can use Doodle, the teams used PAIR's TensorFlow.js, which allows ML to run entirely in an Internet browser.
The ML model can also be used on Google's new tensor processing units, in cases where someone's computer or device might not support TensorFlow.js.
"The Doodle is the first to use TPUs this way," said Hannah-Murphy.
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