I am very, very thankful for your valuable suggestions regarding the grand piano (Bosendorfer) on the stage.
--- Dr. Hermann Buchner (pianomuseum.at)
A very special thanks to Raffi Keshishian for his expert and most loving preparation of the piano for tonights performance.
--- Rubenstein Pianos
Dear Raffi, I just wanted to send a note to thank you for your outstanding job. Mr. Son (Dang Thai) was so impressed with your work on the New York Steinway. He has seen thousands and thousands of pianos, but he was particularly pleased playing on this one (CSUF Meng Hall) . --- Thu-Nga Dan
Dear Raffi, I always appreciate your great work, dedication and friendship --- Eduardo Delgado
I have hade a chance to really play the Bechstein. I appreciate very much all you have done... the sound is lovely and the instrument feels really good, with lots of warmth and character. With many many thanks.
--- Graham Fitch (London)
Raffi, Thank you not only for the fine work that you do, but your integrity, diligence and concern for the good of those who benefit from the fine work that you do.
--- Dr. Robert Watson (prof. of piano and keyboard area coordinator CSUF)
It gives me great pleasure to speak of the excellent craftsmanship and talent of Raffi Keshishian, a piano technician who breathed new life in my pianos... ....He has the technique to master the complete restoration of pianos for professional musicians...He has my highest esteem and recommendation. --- Daniel Pollack