We recommend using professional testo devices for measuring and documenting humidity, as we have found significant deviations in many commercially available hygrometers – which generally means that data recording is not possible. We have provided details on the important topic of humidity in our Blog posts The 'testo 174 H – mini data logger for temperature and humidity' (RRP, as of 2025: approx. EUR 118.00) is, in our experience, very well suited for this purpose. You can find details about these products on the manufacturer's website, where you can also purchase them.
New: The Piano Book
"Anyone who loves the piano will love these stories."
(Michael Ashton, Korrepetitor, Musikarrangeur, Hamburg)
“Marc’s extraordinary passion and his deep knowledge of the history of pianos, pianolas, and piano rolls come alive in this book.”
(Dr. Peter Phillips, PhD Musicology, Sydney University)
12 stories—all inspired by true events,
88 practical answers to fascinating questions about the piano.
2 checklists: ‘What Is My Piano Worth?’ and ‘What to Do If Your Piano Has Ivory Keys.
More than 400 pages filled with a fascination for pianos—and, above all, for the people whose lives and stories are intertwined with these instruments in so many different ways.
