This application was specially made for those who want to develop musical ear. It works as for beginners who have very poor musical ear, and also for people who sings not bad but want to make singing more clear. The application based on the method Clever Singing by Ekaterina Karpenko. The method has theoretical basis and proved by experiments in collaboration with phoniatres and phonopeds. Here you can find summary of the theory and more that 100 exercises from the simplest to the complex. The melodies of the exercises are visualized with special program and the line of your singing helps you to see how good or not you hit the notes. So, you can see your result. The method has proven itself in work with students and already have lots of positive feedbacks. If you always dreamed of a good musical ear but never knew what to begin with, than our application is what you need. Be brave, do what you like!