If you are interested in learning to play the piano or learn how to compose different instruments, you have several applications that can help you to achieve this goal. One of the easiest ways to learn is through the Piano Scales & Chords application. Among the best is a collection of tutorials for learning the instrument that can be used both online and offline. There is an option to learn scales, chords, and melodies, as well as how to play with different instruments such as the guitar, bass, accordion, piano, etc.