Music theory made easy and fun: EarMaster is the ultimate app for your ear training, sight-singing practice, rhythmic workout and vocal training at all skill levels! Thousands of exercises will help you build up your musical skills and become a better musician. Try it, it's not just fun to use but also very efficient: some of the best music schools use EarMaster! "The exercises are so well thought out, and have so much to offer both the complete beginner and the most world class musicians alike