This document, hereafter simply called "Terms of Use & Privacy Policy", concentrates the most important rules and conditions you need to know if you want to use the websites and apps: (Letras), (Letras), (Ouvir Música),
App Android,
App iOS,
App Windows,
All property of VIGNOLI COMUNICAÇÃO LTDA, called "Vignoli" from now on.


The simple access to any of our websites assumes that you have read the latest and most up-to-date version of the Terms of Use. In addition, we will assume that you have agreed to all conditions stated herein and also to all other policies posted on any of these websites. For this reason, we recommend that you read this document carefully BEFORE you start using any of our websites or downloading our apps. We also recommend that you read all the other policies we have adopted, such as our Privacy Policy. If you don't agree with any condition set out in the Terms of Use or if you don't agree with any of our policies, we suggest that you don't access our websites or use our services and products. But of course, if you simply have any questions about the rules of use, please, feel free to check with us. We will be happy to help!

Letras Academy

Letras Academy is the language teaching service on You are able to purchase plans to access language courses and other resources. There are plans with different prices and loyalty periods available to use the platform.

In addition, at Letras Academy it will be possible to find and hire private language teachers directly. This service is not a part of the Letras Academy monthly subscription, it requires a different subscription.

Along with these paid resources, Letras Academy offer free features, such as the Pronunciation Dictionary and the Academy Blog.

The Letras Academy subscription allows the access to Letras without any ad interruption on all platforms (web and app).

Letras Premium

Letras Premium is a subscription service that allows you to use applications on mobile devices without interrupting ads. The ads removed are those served by Letras itself in the application. Ads served by YouTube and Spotify, for example, will still be displayed even with the active subscription, for it is a broadcast of third-party services incorporated into Letras.

It should also be noted that the ads are only removed in the mobile application. Ads will continue to appear when accessing Letras from a browser on your phone or computer.

People can choose to subscribe to Letras Premium through the application, from any device that allows such action.

We also emphasize that all purchases or subscriptions made through the app have restricted use only to the operating system in which the financial transaction was carried out. This means that, when subscribing to Letras Premium on an Android cell phone, for example, the service will be only available to the Google account in which the purchase was made. If you want to use Letras Premium on a mobile phone with the iOS system, another purchase must be made using an Apple account. The subscription is not transferable between different operating systems.

In addition, the free trial period for any paid service within the app is restricted to one use per account. That is, after enjoying the free trial period, if the person chooses to cancel it and re-subscribe in the future, the free trial period will not apply again.


Let us suppose, then, that this is the first time you are accessing a website of our company and that you have already read and agreed to these Terms of Use. You may continue to browse freely, without having to register, by visiting all the pages available to non-registered users. However, if you want to participate more directly in the features offered by our sites, you will need to fill out a registration form.

When registering, it is essential that you fill in all the fields indicated as mandatory and that you only enter correct, accurate and true information on the form. In addition, we request that you update your personal information whenever there is a change. Incidentally, we reserve the right to use all valid and possible means to identify our users, in order to avoid fraud and false profiles. If you would like more information on this, we suggest you read our Privacy Policy.

Use of the service

Websites, applications and functionality owned by us are available only to people who have full legal capacity to contract them under Brazilian law. Therefore, people who do not have this capacity, including minors (people under 18) who must be assisted or represented by their parents, guardians or legal representatives. The same goes for people who have been temporarily or permanently disabled by us due to inappropriate use of the sites.

Nor is the same person allowed to have more than one registration. If we detect duplicate entries, we may unify or even permanently disable them without notice.

Login and password

At the end of the registration, you will need to define a login and a password, which must be informed to each access. But be careful: the password and the login must be kept by you safely, since you will be fully responsible for the consequences of its use. For this reason, we do not recommend that you tell any such data to others. If you know of any unauthorized use of your login and password, we request you to notify us immediately by e-mail (, otherwise you will be held responsible for the consequences of such misuse.

Data protection

We undertake not to use the registration information provided by you to perform unlawful activities, but only for those expressly permitted by Brazilian law and/or these Terms of Use.

You may request Letras, at any time, to permanently delete your personal data that has been provided in the registration. To do so, just send us an e-mail ( In any case, the hypotheses of mandatory record keeping provided for in the Brazilian Civil Rights Framework for the Internet (Law No 12.965) or the aggregated and non-identifiable data for statistical purposes are excluded.

During the use on our websites, app and features of our ownership, we utilize the subscriber data provided with the following purposes:

. To provide, customize and improve the experience on our products and services. This allows us to provide you customized or suited content according to your location, recomendations, features and advertising.

. To understand and analyze the use of our products, with the intention of observe habits and trends of use to develop new products and services.

. To communicate directly with you by email or others contact methods allowed with the intentions to promote our products (, Letras Academy and Ouvir Música).


We may use a cookie installation mechanism on your computer when you access our websites, in order to customize your experience. When you access our website, you agree with our Privacy Police. This allows you, for example, to have your password automatically populated on your computer, as well as let the site inform you of previous activities that you have performed on the sites. That is, the use of cookies does not have the potential to harm you; on the contrary, they facilitate the use of our sites. However, if you do not want cookies installed, you can configure your browser to prevent installation. Check your browser's standards for this. You may also choose not to collect anonymous Audience Science data via the link:

Use of our applications and websites

When you use any Vignoli's website or app, data may be collected, for advertising purposes, about the device (including the advertising identifier from Android, iOS or from other similar operating systems), as well as location data received from the device sensors. Besides these, there is also a collection of data about advertising on the device, including clicks made from it, impressions, and time spent on advertising.

Meeting the transparency requirements, we detail below your device data that may be collected if you use one of our apps:
A. Anonymous device advertising identifiers, mobile device attributes, and applications installed on device;
B. Sensor data from the device;
C. Anonymous device location data via GPS or cellular network.

We offer to our subscribers from Letras Academy the possibility of navigating on Letras (app and websites) without any ads.

Content posting

It is important to clarify that we, from Vignoli, are mere " application providers " according to the Internet Civil Framework. In other words, we are simply the owners of the sites and their platforms. Our mission is to disseminate knowledge, exercising a clear activity of musical formation, inspired by the highest precepts of democratization and universality of education. We are not responsible for launch or posting any content on our sites (unless are those of our company), and posting content is, therefore, a faculty exclusive to our users.

For this reason, as mere providers, we are not responsible for the posted content. This is up to the users. Also for this reason, it is very important that you, as a user, pay close attention to the content posted on any of our sites, such as lyrics, ciphers, tabs, videos, photos, music files or any other kind of content, avoiding actions such as infringing copyright, personality rights (such as image, voice and third party name) or trademark rights.

Regarding copyright, we assume that you will post on our sites only free and/or licensed content that does not infringe the rights of third parties. Since we do not control the content posted by our users (which would be humanly and technologically impossible!), we rely on the responsible conduct and common sense of our users and partners.

Our responsibility is limited, it is important to say, to remove online content, whenever we receive a specific court order accordingly. This is a consequence of the Brazilian Civil Rights Framework for the Internet (article 19). In addition, we suggest you read the next topic of the Terms of Use, which deals with the removal of online content.

By accepting these Terms of Use, you also agree that any and all content that has been posted by you, yours or from any third party, is used on all of our sites (even if the posting was made on a single site) as well as on our social networks. In addition, you allow content to be edited by other registered users, who may suggest adjustments, propose arrangements and modifications, developing a true collaborative platform that has as its sole purpose the free dissemination of quality music knowledge and training. Specifically on the Palco MP3 site, we may use photos and graphics present on the Palco MP3 artist page, official or unofficial sites and social networks to apply to the main page featured images. With this, bands and artists must agree that Palco MP3 makes use of the items mentioned for the sole purpose of disclosure on the site itself and official social networks. Finally, you also allow our sites to link advertisements, including to the content you have posted, without restriction.

You warrant that no use of the content posted by you will imply payment of any kind, and its availability is always free, if met by other users the conditions provided in these Terms of Use.

Copyright infringement report

If any person or company understands that certain content posted by one of our users violates your copyrights or personality rights, you may send us an e-mail (, describing the fact, indicating precisely all the URLs (links) that contain the respective contents and proving the quality of holder of that right by suitable means.

Although the Brazilian Civil Rights Framework for the Internet only requires an application provider to remove content after receiving a specific court order, we reserve the right to remove contents even without receiving a court order, whenever we detect a situation that may consist in a serious violation of rights. This does not mean, however, that we are liable for damages resulting from the maintenance of the online content from the moment of the receipt of a notification or e-mail informing the alleged violation. No, removing the contents before receiving a court order is a prerogative, our right, not properly an obligation.

In addition, you, the user, fully accept that any content that you post on any of our sites may be removed without prior notice. In any event, you will be notified of any allegations of copyright infringement involving content you have posted, and you may defend yourself by submitting your case. In addition, you also authorize us to pass on your personal data supplied in registration, as well as your Internet Protocol (IP), at the request of the Judiciary. None of these acts adopted by us will, therefore, have the potential to cause damages, being fully accepted by you, who can not seek compensation from our company.

Obligations assumed by the user

By using any of our sites you agree never to: (a) Violate the copyrights or personal rights of others; (b) Use any prospecting methods or similar methods of data extraction; (c) Manipulate or otherwise display the site or content using "framing" or similar navigation technology; (d) Register, subscribe, cancel subscriptions, or attempt to register, subscribe or cancel the subscription of any user for any product or service, when unauthorized to do so; (e) Transmit, disseminate illegal, prohibited content or infringe, slander, libel or defame any person or company; (f) To disseminate information about illegal activities and incitement to commit a crime; (g) Make available content that has a discriminatory nature of any nature, such as ethnicity, gender, sexual orientation or other; (h) Create false identity and/or use subterfuge for the purpose of deceiving others or gaining benefits; (i) Send unsolicited advertising material, including spam, junk mail, chain letters, direct mail or pyramids to others; (j) Transmitting files that are technically harmful (including, without restriction, computer viruses, logic bombs, Trojan horses, worm viruses, SQL injection, harmful components, corrupted data or any other malicious software); and (k) Use our sites for purposes other than those for which they were established.


We are not responsible for any damages resulting from the use of our sites or the content contained therein, or the unavailability of the sites or content, including, but not limited to, lost profits and emerging moral and material damages. We also do not guarantee that functions incorporated or existing on the sites will be available without interruption or error. There is no guarantee that the site or its contents are free from virus infection or anything that has contaminating or destructive properties.

We will use our best efforts to ensure the accuracy, correctness and reliability of our sites, but we make no warranties to that effect.

We further disclaim all responsibility for the content or availability of information contained in the search index offered on our websites, as well as the accuracy of any search results.

We are not responsible for any infringement of personality rights, copyrights, related rights and trademark and industrial property rights arising from any content available on our sites, nor by the nature of such content, but merely commit to take down content that is the subject of a suspected violation of rights of any nature, following the system set forth in these Terms of Use.

Any reference to products, services, processes or other information regarding third parties, by indication of trade name, trademark, manufacturer, supplier or others, does not constitute or imply endorsement, sponsorship or recommendation by us.


No omission or delay by us in exercising our rights under these Terms of Use, our other policies or provided by law implies or means waiver of them.

Alterations to the Terms of Use

The Terms of Use may be modified and updated by us freely, at any time, in order to adapt them to legislative developments or even to insert new business practices, and the changes will be effective immediately, if no other period has been indicated in the new version of the Terms of Use. It is important, therefore, that you always read this document before using one of our sites. It may contain a change you do not agree with. After all, your continued use of our sites after the posting of changes will constitute your full tacit acceptance of such changes.

Applicable Law and Choice of Forum

Although technically, our sites may be accessed from anywhere on the planet, our relationship with the users of our sites will always be, in any case, and regardless of where the service is accessed, subject to Brazilian Law, to the Civil Rights Framework for the Internet and these Terms of Use. In order to resolve any doubts or controversies arising from its use or its content, it is elected the Forum of the State of Minas Gerais, Belo Horizonte, except for another privileged forum determined by law.

YouTube integration

For integration and presentation of video content, our website uses YouTube plug-ins. The provider of the video portal is YouTube, LLC, 901 Cherry Ave, San Bruno, CA 94066, USA. When you visit a page with an integrated YouTube plug-in, it connects to YouTube servers. YouTube will have access to which of our sites you have visited. YouTube can link your browsing behavior directly to your personal profile, if you’re signed in to your YouTube account. When you log out previously, you can avoid this.

By using the YouTube player you agree to YouTube's Terms of Service (

For details on how to handle user information, see Google Privacy Policy at

CNPJ 07.175.186/0001-69
R. Paraíba, 550 - 7º andar
CEP 30.130-141
Belo Horizonte - MG - Brazil