🛡️ Certified Examination Rigor: Charles H. Cook holds the Registered Piano Technician (RPT) credential from the Piano Technicians Guild. To attain this credential, the practitioner completed and passed standardized written theory, aural concert tuning, and practical grand/vertical action regulation examinations.
Registered Piano Technician serving Gwinnett and North Fulton counties. Certified Dampp-Chaser installer; expert pitch correction, voicing, and action repair.
Atlanta PTG Chapter Directory (my.ptg.org/atlanta/findatechnician). Record audited October 2026.