Sneak Peeks into HowToTunePianos.com Paid Courses
Piano Tuning Theory
Concepts such as coincident partials and check notes. If you want to be a piano tuner, you need to know this stuff!
More to come. CONTACT ME to request a specific Sneak Peek
How to Tune Pianos
The Hobby, Skill, and Career of Piano Tuning
By Mark Cerisano