About A440
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Contact A440
John Dorr
Registered Piano
Technician (RPT)
Serving Helena and central Montana
(406) 594-1985
Tuning
Repair
Moving
Serving piano owners, teaching studios, churches, schools and piano dealerships. Browse the menu for valuable piano maintenance information.
Piano Gallery
Offering pianos for sale
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"I can't tell you how thrilled I am with my 'new' piano!"
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