Piano Hero: How JoyTunes Makes Young Musicians Actually Like Practicing

One startup has come to dominate the world of music-learning apps. "The trick is getting through that initial three-year phase where there's no payoff, where you're practicing but no one wants to hear you play because you suck, honestly," says CEO Yuval Kaminka.

Several years ago, Yuval Kaminka was wrapping up a master's degree at Israel's Weizmann Institute of Science, and he found himself with some free time, much of which he would spend visiting with family. One day, he was playing a Wii tennis game with his eight-year-old nephew, and Kaminka marveled at his nephew's skill and dedication to the game. Then, Kaminka's sister walked in, telling her eight-year-old son it was time to practice his violin.

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