🛡️ Certified Examination Rigor: Michael Routh 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.
RPT in Littleton serving the South Denver metro. Expert in vintage piano maintenance, pin tightening, action restoration, and residential grand service.
Denver Piano Technicians Guild Directory (my.ptg.org/denverchapter). Record audited October 2026.