JU$T (feat. Pharrell Williams & Zack de la Rocha)

Adjacent key (2a), keeps the same energy, matched brightness, minor tempo adjustment needed — seamless blend

Creative key move – mix quickly or use effects, keeps the same energy, matched brightness, notable tempo gap – plan the handover — seamless blend

Same key (3a), keeps the same energy, warm tonal match, brightens the mood — seamless blend

Same key (3a), energy eases (-7%), minor tempo adjustment needed, vibe stays consistent — seamless blend

Same key (3a), keeps the same energy, similar matched brightness and matched bass weight and warm tonal match — smooth blend, vibe stays consistent — energy stays level