Assertion: clavichord | /r/HasProperty | based on diagram
Facets:
Source sentences:
text: In the evening we enjoyed a little concert by Mikko Korhonen who improvised on Bengt-Olof Sahlins Specken clavichord from 1979, the first clavichord built on Marholmen, together with Mikko Korhonen's own reconstruction of a medieval clavichord in Pythagorean tuning, based on a description and diagram of Henri Arnaut de Zwolle.