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Fortepiano (pour la parfaite Harmonie)

1796, Attributed to: Johann Jakob Könnicke

 

 

Fortepiano (pour la parfaite Harmonie)

The ‘pianoforte of perfect harmony’, as contemporary sources describe it, attempts to make the benefits of just intonation in pure thirds available for all major and minor keys. In tuning systems using unequal temperament, some keys generally sound pure while some are felt to be objectionable, owing to the undersized fifths (‘wolf fifths’). This means that keys with few accidentals do not sound the same as keys with many accidentals. Such various affective key characteristics were often consciously exploited in composition. On the ‘Harmonie-Hammerflügel’ with its six rows of keys, the third manual from the top consists of a diatonic scale of C major tuned according to pure thirds temperament. The manual above this one is raised a semitone, the one below is lowered by a semitone. Thus, unlike the usual division of the octave into 12 parts, the note C-sharp, for example, is not identical to D-flat. This brought improvements in intonation, but these were bought at a cost, and the instruments disadvantages prevented it from coming into widespread use. Besides the massively increased amount of work necessary to tune the instrument, the arrangement meant unfamiliar and complicated fingerings. (rh) Lit.: Rudolf Hopfner: Masterpieces from the Collection of Historic Musical Instruments. A Short Guide through the Kunsthistorisches Museum Vienna, Vol. 1, Vienna 2019

Location: Neue Burg, Sammlung alter Musikinstrumente Saal 14

Object data

Object Name

Fortepiano (pour la parfaite Harmonie)

Culture

Austria, Vienna

Dated

1796

Attributed to

Dimensions Cover size is a museum or exhibition-specific information. It does not specify the real dimensions of the musical instrument.

2270 mm x 1050 mm x 910 mm

Image rights

Kunsthistorisches Museum Wien, Sammlung alter Musikinstrumente

Inv. No.

Sammlung alter Musikinstrumente, 610

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