Calvin Robertson G.M.I.M.I.T. Lon.

from Springfield Gardens, NYmember since April, 2022
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My credentials include being a Graduate Member of the Institute of Musical Instrument Technology in London and the holder of the 1968 Evelyn Broadwood Scholarship award from The Worshipfull Company of Musicians of London. I have received both COVID-19 vaccines and boosters as of March 1st, 2021, and most recently tested negative on August 17th, 2022.

I specialize in providing excellent piano tuning services and regulating grand piano action so that it performs consistently whether playing softly (pp) or loudly (ff). If you strike a chord softly on a grand piano, you'll notice the hammers hitting the strings multiple times uncontrollably. And if you strike a loud chord and hold it down, the hammers pop up unnecessarily, resulting in extra motion. By using the correct sequence of adjustments, I can regulate your grand piano so that you have full control of the hammers no matter how you're playing.

With over fifty years of experience and having passed the Examination of the Piano Technician Guild in 1978, I pride myself on providing the ultimate service, integrity, and professionalism. Regulating your grand piano is a one-time adjustment that costs $950, and you won't ever have to have it done again. Don't hesitate to call me to set up an appointment. Thank you.

Piano type:

Spinet, Upright, Baby grand, Concert grand

Service location:


Service Reviews


583 reviews

Service as described
Melissa B.
Calvin dedicated more than three hours to tending to my outdated piano that struggles to maintain its tune. The service rendered was exceptional and professional, making it the finest I have ever received. I highly endorse Calvin's services.
March 27, 2023
Heather R.
After a prolonged period of neglect, I was considering abandoning my piano, resigned to its poor condition. However, the expert assured me that he could restore the instrument to its former glory. Despite the unavoidable noise emanating from my bandmates in the adjacent part of the residence, he persistently worked on the piano for over three hours until it sounded like a genuine musical instrument once again. I will unquestionably engage his services again to maintain my piano's excellent health, and I award him two enthusiastic thumbs up and a glowing five-star rating.
March 27, 2023
Kyle S.
Mr. Roberton exhibited utmost professionalism, promptness, and rendered an exceptional tuning service to our player piano. I am completely satisfied with his work and would not hesitate to engage his services in the future.
March 24, 2023
Danielle M.
Punctual as promised, he dived straight into the task at hand - the 1970s piano that had never been tuned. It required arduous efforts on his part to restore it to its deserved quality. Upon completion, the instrument exuded a brand-new aura, a testimony to the dedication and skill he poured into his work. His efforts did not go unnoticed, and he is held in high regard for his exceptional work.
March 20, 2023
Amber M.
Calvin was the only one willing to tune my piano on short notice. Despite it being decades since the last tuning, he did an outstanding job. Additionally, he patiently and clearly explained the entire process while maintaining professionalism and kindness. I highly recommend Calvin's piano tuning and servicing.
March 19, 2023