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APEX is a large-scale multi-task learning framework that predicts both popularity and aesthetic quality of AI-generated music using frozen audio embeddings. The model demonstrates strong generalization across different generative architectures by jointly predicting engagement signals and perceptual quality dimensions.
Deezer reports that 44% of all new music uploaded to its platform is AI-generated, amounting to nearly 75,000 tracks per day, though consumption remains low at 1-3% of total streams with 85% flagged as fraudulent. The surge highlights growing challenges for streaming platforms in managing AI content and protecting artists' rights.