01The Problem CORPUS Is SolvingWhy the music industry needs a new licensing infrastructure for AI, and what's broken in the current options.→02What CORPUS Is, and What It Isn'tCORPUS works like a producers' cooperative: musicians supply the raw material, CORPUS makes and licenses AI models, and the value returns to the contributors.→03Who CORPUS Is ForContributors, supply-side partners, and licensees: the three groups CORPUS connects.→04Where CORPUS Fits in the Current LandscapeThree conditions a viable framework must meet, and how CORPUS meets them by shifting licensing to the input side.→05The Input-Side ShiftWhy output-side licensing breaks for AI training, and how CORPUS licenses at the contribution moment instead.→06Where CORPUS Came FromSofilab's origin story: how generative music research and adaptive sound design converged on a licensing problem.→07The Three-Layer ArchitectureOpen protocol, controlled data, proprietary semantic pipeline: three layers, three logics.→08From Platform to ProtocolToday CORPUS operates as a platform validating the licensing model. Over time it evolves into an open protocol embedded in distribution services and creative tools.→