GLUWU — License & Terms
Last updated 2026-10-14 · plain language, and it means what it says.
Two tiers, one rule: you always know what you have
Demo (free). Make a song, hear its best 30 seconds, share the demo link anywhere, and change the song as often as you like. Demo audio is for personal, non-commercial listening and sharing. GLUWU keeps the rights to demo recordings; if you publish a song to Discover it may be featured on GLUWU and on GLUWU FM, credited to the name you chose. No signup is needed for the demo tier.
Studio (paid) and credits. When you unlock a full song — with a Studio membership or a credit — the full recording is yours: we assign to you every right we hold in that recording and its lyrics, you may use it personally or commercially (videos, streams, podcasts, games, apps, ads) with no attribution required, and we will not feature the full song anywhere unless you publish it yourself. Songs unlocked while you were a member stay yours after you cancel. The one thing you may not do is resell or redistribute the raw audio files as-is (sell your video with the music in it, not the music files themselves).
A note on ownership. Copyright law for AI-generated audio is unsettled and differs by country; purely machine-generated recordings may not be copyrightable at all. Our promise is the practical one: whatever rights exist, they go to you for the songs you unlock, and GLUWU will never claim them back.
Two kinds of audio, honestly labeled
The instrumental version (engine audio). Composed from a ~30-byte seed and performed by deterministic synthesis in your browser — oscillators, filters, and public CC-licensed sample recordings (Salamander Grand Piano, CC BY 3.0, Alexander Holm; VocalSet vowels, CC BY 4.0). No model trained on copyrighted recordings touches this audio, which is why we say it carries no Content ID risk: it is copyright-clean by construction. The same seed renders the identical audio every time, and this version stays free.
The studio recording (AI audio). The produced record of your song — the demo and the full song — is generated by the GLUWU engine — our own tuned songwriting, production and recording pipeline — and is always labeled as AI audio in the app. If you publish it somewhere that requires AI-generated content to be disclosed, disclose it. We keep your recordings so your song links keep working — download the takes you love to keep your own copy.
Lyrics
Lyrics are written to order from your wish. A named artist in your wish is treated as a style reference only. If you ask for the words of an existing song, you are responsible for having the right to use them. Words you type yourself remain yours.
Lyrics you type are yours to type
When you edit or paste lyrics, you confirm you wrote them or have the right to use them. Before a song goes public, a screen checks whether typed lyrics are substantially those of an existing released song and refuses to publish them if so; it is imperfect on purpose in both directions, so publishing is your responsibility.
Reports and takedowns
Every public song carries a report flag. Three reports from different people hide a song from the feed and the front page until we review it; the maker's own link keeps working meanwhile. Rights holders can write to us with the song link and the work they believe is infringed; we act on valid notices promptly and remove repeat infringers' songs from the feed for good. A song we remove for infringement stays removed.
What you agree not to do
- Pass AI-generated audio off as human where disclosure is required.
- Use the service to imitate a real artist's identity or voice.
- Use demo recordings commercially, or strip the demo out of a shared link to redistribute it.
- Abuse the demo tier with automated bulk generation.
Privacy, in one paragraph
No tracking profiles. Your songs live as seeds (~30 bytes) in your browser and, if you share or publish, on our servers, together with any record you unlocked. Studio and credit purchases go through Stripe; we keep the email Stripe gives us only to find your purchase again. We keep anonymous daily counters (songs made, takes played, songs shared — never who did it) to see if the product works. Daily limits are counted per network (IP address), and those counters are deleted after three days. An automatic safety check reads every song request and its lyrics; requests it refuses are kept for 30 days so we can fix wrong refusals. Lyric text travels to our servers to be written and sung. Your microphone recordings stay on your device — unless you sign up for a Studio account and keep a project in it: then that project and its recordings are stored privately in your account (only you can open them) so they open on your other devices, until you delete the project or the account. Studio accounts use passkeys (your device's Face ID, fingerprint or screen lock): we store the passkey's public key and the name you type — never an email address or a password. "Delete my account" removes everything in it.
The honest fine print
GLUWU is provided as-is, without warranty. We can't promise the service or any stored recording lasts forever — which is why downloads exist for unlocked songs and seeds rebuild the instrumental version permanently. Membership fees are for access while you are a member; songs you unlocked stay yours. This page is a plain-language promise, not legal advice; if you need contract-grade terms for a commercial project, write to us first.
Parts of GLUWU are Built with Llama (Meta Llama 3.1, under the Llama 3.1 Community License).