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Amazon introduced the DeepComposer music synthesizer and the eponymous cloud-based music creation service based on generative adversarial neural networks. The service operates on the basis of neural network algorithms that obtain a sequence of playing a single instrument and synthesize, in addition to it, sequences for other instruments. The company introduced a 32-key synthesizer with 11 function keys and an octave change button. The cost of the service is calculated from the operating time of the servers when training and using neural network models.