SymphonyGen is a 3D hierarchical framework for generating controllable orchestral music via cascading decoders on bar-track-event axes, short-score harmony conditioning, GRPO reinforcement learning, and dissonance-averse sampling.
Early efforts like MuseGAN [18] utilized GANs, but the field has largely shifted toward Transformers to capture long-range dependencies
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SymphonyGen: 3D Hierarchical Orchestral Generation with Controllable Harmony Skeleton
SymphonyGen is a 3D hierarchical framework for generating controllable orchestral music via cascading decoders on bar-track-event axes, short-score harmony conditioning, GRPO reinforcement learning, and dissonance-averse sampling.