Abstract: This is a song completely generated automatically by AI from lyrics using purely novel algorithms we proposed and does not require any form of training data. It follows the music theory conventions and guidelines. The algorithm selects from the most common time signatures in songs such as 2/4, 3/4, and 4/4, and does not provide solely a uniform rhythm but a variety of rhythms instead. Since the song utilized as a demonstration is generated from lyrics written by a child and for children, the rhythms are relatively simple. The melody is controlled within an interval from C4 to C5 so that it includes all of the notes within an octave and is also “singable” for the majority of the human population for at least a portion of the interval. Additionally, the algorithm can be used to generate multiple songs for one set of lyrics. The demonstrated song is designed to be sung by children due to its easy, comprehensible nature and simple melody. The tempo is manually set at 120 beats per minute and the time signature is automatically determined as 4/4 time by our algorithms.
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