28 December 1790
A newly-invented keyboard instrument that will not go out of tune
Christian Friedrich Daniel Schubart, Chronik, no. 104, 28 December 1790
This entry has been moved to: https://www.mozartdocuments.org/documents/28-december-1790/
A newly-invented keyboard instrument that will not go out of tune
Christian Friedrich Daniel Schubart, Chronik, no. 104, 28 December 1790
This entry has been moved to: https://www.mozartdocuments.org/documents/28-december-1790/