Children are not predictable, and neither is music. If your student is in the five-to-eight-year-old range, bring out the pieces of paper and markers you brought with you, and ask your student to draw ...

In March, Heather Matthews raised $1,000 in 24 hours to outfit her class with electric keyboards to teach students how to play piano.

The Roli Airwave is both a high-tech piano teacher and a theremin. The system costs $300 and officially releases in February.