This application was created to help teachers, students and enthusiasts who are learning about musical scales and triads, click on the raffle button and receive a random note so that you or your student can try to find out which triad or scale of that tone, the Nota Sorter Musicals doesn't require login or password, and doesn't offer purchases, just a banner with ads, if you have any idea of ​​functionality that could be added to the application, send me a suggestion in the comments.