Terms of Use

English · Deutsche Fassung

These terms exist in English and in German, and both are binding. The German version is at paintmusic.app/terms/de. If you are a consumer living in Germany, the German version applies; otherwise, where the two differ, the reading more favourable to you applies.

Version 1.0 · in force since 1 November 2026

These terms cover the website paintmusic.app and the Paint Music app, installed or in the browser. The privacy notice and the provider's details are at paintmusic.app/legal.

§ 1 Who and what

Paint Music is run by Clemens Eckstein, Badstraße 7, 90762 Fürth, Germany (/legal). These terms apply to the website and to the installed app. The app is in a closed beta and free of charge; we sell no data and show no advertising. Your statutory rights as a consumer apply even though you pay nothing. After the beta a free tier remains; what it contains will be announced when the beta ends. A paid tier would be a separate contract.

§ 2 Account

You need an account, managed through the service Clerk. The contract is formed when you complete sign-up. The version of these terms you agreed to stays available here, with its version number and date; Clerk records when you accepted, and the dates on this page say which version was in force then. The account is personal and not transferable. You must be at least 16; if you are under 18, you confirm that your parents or guardians agree to your use. The contract is concluded in English; these terms are binding in English and German (§ 14). You can delete your account at any time in the app.

§ 3 What the app does

Paint Music is a learning tool for jazz harmony. The app computes analyses by rules it names itself; an analysis is an interpretation, the app shows one hearing as the default, and experts may read the same passage differently. Which tunes are not checked against the theory literature, which texts were written by an AI system, and what else we do not promise is set out in the box below. The companion texts on jazz standards were written by an AI system, are marked as such, have not been checked individually and may contain errors; please report an error to us. The app does not read melodies or lyrics. The app is no substitute for lessons.

§ 4 Licence to use the app

You may use the app and its content for yourself, including in your own teaching. Systematic extraction, copying or redistribution is not permitted. Licence notices for fonts, sounds and tune data are under About. We reserve text and data mining and AI training on our content.

§ 5 Your content

What you create or import — chord charts, exercises, lick cards, plans, your practice log, your self-assessment, settings, feedback — remains yours. You grant us a simple, non-transferable right to use it only for this: to store it, sync it between your devices, show it to you, back it up, and show it to those you share it with by link; our technical service providers included, nobody else. After deletion it remains for the short periods the privacy notice names. A shared link stays usable for its recipient even after your account is gone. No advertising, no model training, no public collection. Import and share only what you are allowed to.

§ 6 Prohibited content and reporting

No content that infringes the rights of others or is otherwise unlawful. We do not review content in advance and do not moderate automatically; every decision is made by a person. You can report by e-mail to privacy@paintmusic.app (details at /legal); we confirm receipt, review promptly and objectively, remove infringing content from our storage, give reasons to both sides and review again on objection. We cannot delete a share link — it is not stored with us. A second justified removal within twelve months: a warning, possibly a suspension; a third: termination.

§ 7 Sharing

A share link carries the content itself, is stored on no server and cannot be recalled. You are responsible for what you share and for whom you share it with. Lick cards marked as transcriptions cannot be shared.

§ 8 Availability and changes

We do not promise availability. We may change or remove features for a valid reason: the technical environment, security, the law, third-party services, the teaching concept, the end of the beta — at no cost to you. If a change significantly affects your use, we tell you four weeks in advance by e-mail and in the app; you may then terminate within 30 days. Save your data as a file; the server is backed up, but we do not promise a restore.

§ 9 Liability

Unlimited for injury to life, body or health, for intent, gross negligence, product liability and guarantees. For slight negligence only for essential obligations — computing analyses by the rules described and protecting your data — and only for the foreseeable damage typical of this contract. For data loss, limited to the effort a restore from your last reasonable backup would have taken. A defect exists when the app does not compute by its rules or a label is missing; another defensible hearing alone is not one. Your statutory remedies for defects remain.

§ 10 Term, termination, withdrawal

Indefinite. You: at any time by deleting your account. We: with four weeks' notice by e-mail; without notice only after a warning and a hearing, except for serious breaches. You can download your content at any time and after the end. As a consumer you may withdraw from this contract within 14 days of signing up; an e-mail to privacy@paintmusic.app is enough, and withdrawing has the same effect as deleting your account.

§ 11 Third-party services

YouTube and Spotify load only when you press play; their terms apply there. You are responsible for links you enter.

§ 12 Privacy, newsletter

The privacy notice at /legal applies. We use account data only for sign-in, sync and notices about this contract. The newsletter is voluntary and not a condition.

§ 13 Changes to these terms

Only for a valid reason (the law, an authority, a new feature, a service provider, the end of the beta), announced four weeks in advance, and only with your express consent; otherwise the old version continues to apply and we may terminate under § 10. A change never creates costs.

§ 14 Final provisions

German law applies, excluding the UN Convention on Contracts for the International Sale of Goods. If you live in another country as a consumer, you keep the consumer protections that are mandatory there. The place of jurisdiction is Fürth, for merchants only. Both language versions are binding: for consumers living in Germany the German version applies; otherwise, where they differ, the reading more favourable to you applies. We do not take part in consumer arbitration. We may transfer this contract to a company that will run Paint Music in future; you may then terminate. Notices reach you by e-mail to your account address and in the app.

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Deutsche Fassung · Legal & privacy · Credits / attributions