Yes — AI-generated music is generally safe to use in your film: it's composed fresh rather than licensed, so no third-party royalties, samples, or sync fees attach to it. The real issue is ownership, not usage — pure AI output isn't copyright-protectable under US human-authorship rules, which matters for chain of title when you distribute. Document your creative input and check your tool's commercial terms.
Start with why usage is legal: AI-generated music is created fresh at generation time rather than licensed from an existing catalog, so there is no rights-holder to clear and no royalty obligation — the documented basis for treating it as copyright-free in AI film productions. This holds even when you steer the sound with references: giving the generator reference track names produces similar-feeling but legally original compositions, which is legally distinct from sampling or covering the track itself. The invideo agent generates original score this way inside the same project that produces your video — in one documented production it proactively generated three score options during the video-generation phase using Google Lyria 2 Pro, producing copyright-free audio.
Understand the distinction that trips up most filmmakers: royalty-free is not the same as copyright-free, and copyright-free cuts both ways. Under current US law, copyright protection requires human authorship, so a purely machine-generated cue likely has no copyright owner at all (LegalClarity). Nobody can sue you for using it — but you also can't stop anyone else from reusing the same cue, and you can't register it as yours without demonstrable human creative contribution.
That ownership gap is what matters for film distribution specifically. Distributors and E&O insurers ask for a clean chain of title on every music cue, so build one deliberately: 1) confirm your generation tool's terms of service grant commercial use of outputs on your plan tier; 2) keep generation records — prompts, dates, account, and which options you rejected; 3) document your human creative input, because selection, editing, arrangement, and direction are the protectable layer — in one documented production the invideo agent returned three score options and the filmmaker's selection and placement is exactly the kind of authorship you can point to; 4) for theatrical or festival distribution through a distributor, have an entertainment attorney review the music cue sheet before delivery.
Stay inside the safe boundaries when you prompt: direct style at the level of mood, genre, and reference-track feel — never ask the generator to reproduce an identifiable artist's voice, existing lyrics, or a specific melody, since mimicking a recognizable recording or performer creates infringement and right-of-publicity exposure that fresh original generation does not.
Documented productions already ship this way: one 45-second production delivered a complete downloadable asset folder of 26 video clips, 4 text cards, and 1 AI-generated music score, and in another short film the creator added only one sound effect manually, with all other audio generated natively inside Seedance 2.0 — no licensed music entered either project, which is precisely what keeps the paperwork clean.
Watch some of these to see what works for you:
That's the only sound effect I added to the entire project. Everything else was just natively generated inside of C-Dance 2.
— a filmmaker documenting an AI short film production