Harmonica features a genuinely-sampled 10-hole diatonic harmonica. Both single notes and chords are playable, as are "blow" notes and "draw" notes. Harmonica includes all 12 keys - it's like having 12 harmonicas in your pocket. Simply touch your lips to the Harmonica, and play away. You don't even need to blow. If you'd prefer not to put your device in your mouth, Harmonica works with your fingers too. Harmonica now includes an exciting new feature: the ability to actually learn to play real songs on the harmonica, right on your iPhone, iPad or iPod touch. Choose from 40 different songs of varying difficulty levels, built right into the app. No internet connection is required. Watch a demo of the song being played, and then try to play it for yourself with the on-screen guides. If a song is too challenging, you can enable the slow motion option to make learning easier.