Grammar Argumented LSTM Neural Networks with Note-Level Encoding for Music Composition. (arXiv:1611.05416v1 [cs.LG])

Creating any aesthetically pleasing piece of art, like music, has been a long time dream for artificial intelligence research. Based on recent success of long-short term memory (LSTM) on sequence learning, we put forward a novel system to reflect the thinking pattern of a musician. For data representation, we propose a note-level encoding method, which enables our model to simulate how human composes and polishes music phrases. To avoid failure against music theory, we invent a novel method, grammar argumented (GA) method. It can teach machine basic composing principles. In this method, we propose three rules as argumented grammars and three metrics for evaluation of machine-made music. Results show that comparing to basic LSTM, grammar argumented model's compositions have higher contents of diatonic scale notes, short pitch intervals, and chords.

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