You're a piano tuner looking for an alternative use for your tuning forks and you've heard a lot about the ways people are using tuning forks as an alternative healing method. The idea of a side job as a healer intrigues you, but should you pursue this option? What Is Tuning Fork Therapy? As you know, tuning forks vibrate at a very specific frequency when struck, which makes them one of the most accurate ways to find a tone.