The MK4 iteration introduces several core upgrades that improve both accuracy and technical flexibility:
The MK4’s reduces false positives in dense mixes (e.g., jazz with extensions, EDM with atonal risers). It now cross-references harmonic content against a trained model of common progressions, not just pitch class profiles. hornet songkey mk4 upd
The most recent maintenance update (v4.0.3) focuses on refining the user experience and resolving technical friction: The MK4 iteration introduces several core upgrades that
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