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Three Google teams had to collaborate for this historic tech-creative project: the Doodle team, the Google Magenta team (which is tasked as a unit to exploring the role of machine learning in the processes of creating art and music) and the Google PAIR team (which concentrates on designing people-centric AI systems). When you press the Harmonize button, it uses machine learning to give a version of your melody that sounds like it was composed by Bach himself! The beauty of this is that it prompts you to compose a two-measure melody or pick one of the pre-existing choices.
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Explaining the Google Doodle, Jacob Howcroft, a software developer for the Google Doodle team, said: “Bach’s music has all the rules of how to write good harmonies and melodies baked in, so it’s a really good resource for machine learning to learn music”. The Google team used that very construct to create the AI Doodle.
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Bach is famous for creating the four-part harmonies, which changed the way music was composed. The interactive doodle was the first to be powered by artificial intelligence (AI), using machine learning to identify and mimic the patterns of Bach’s signature style to compose a custom melody. The Google Doodle celebrated the life of the German musician and also marked a big first for the global search engine. On March 22, Google chose legendary composer Johann Sebastian Bach to explore using artificial intelligence in a Doodle for the first time.