App to help and develop your ear from your smartphone! You will learn to distinguish the tones of the musical octave. Ideal for anyone who wants to improve their musical hatred. The application allows you to hear the tones. Practicing the eighth. Playing with tones which indicates whether the action is correct. Displays your score as will hitting the left and the highest on the right punctuation. An intuitive way to learn music tones from very easy and fun way, this is not necessary to know music.[详情]