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arxiv: 2502.08122 · v1 · pith:2VANHLGZ · submitted 2025-02-12 · cs.SD · cs.AI· cs.LG

Hookpad Aria: A Copilot for Songwriters

Chris Donahue , Shih-Lun Wu , Yewon Kim , Dave Carlton , Ryan Miyakawa , John Thickstun This is my paper

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classification cs.SD cs.AIcs.LG
keywords ariahookpaddesignedassistcompositionexistinggeneratingharmony
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We present Hookpad Aria, a generative AI system designed to assist musicians in writing Western pop songs. Our system is seamlessly integrated into Hookpad, a web-based editor designed for the composition of lead sheets: symbolic music scores that describe melody and harmony. Hookpad Aria has numerous generation capabilities designed to assist users in non-sequential composition workflows, including: (1) generating left-to-right continuations of existing material, (2) filling in missing spans in the middle of existing material, and (3) generating harmony from melody and vice versa. Hookpad Aria is also a scalable data flywheel for music co-creation -- since its release in March 2024, Aria has generated 318k suggestions for 3k users who have accepted 74k into their songs. More information about Hookpad Aria is available at https://www.hooktheory.com/hookpad/aria

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