The intersection of technology and intellectual property law is currently experiencing a massive shift; specifically, the rise of artificial intelligence tools has completely altered how music is created and conceptualized. For legal professionals and creators alike, this evolution introduces fascinating regulatory questions. When a songwriter pairs an AI language model like Google Gemini with a generative music platform like Flow Music by Google to construct a track, who owns the resulting work? How does federal copyright law apply to a song born from a blend of human lyricism and machine-generated arrangement? Navigating the current framework established by the U.S. Copyright Office (USCO) reveals the strict legal steps required to protect AI-assisted musical catalogs. 1. The Legal Baseline: Automatic vs. Enforceable Protection Under the U.S. Copyright Act (17 U.S.C. § 102(a)), copyright protection exists automatically the moment an original work is fixed in a tangible me...