The Guidonian Hand, a mnemonic device to aid the learning of sight singing a precursor of Tonic Solfa. Devised by the Guido of Arezzo 991992after 1033, Benedictine monk. Editorial Stock Photo - Afloimages
The Guidonian Hand, a mnemonic device to aid the learning of sight singing; a precursor of Tonic Sol-fa. Devised by the Guido of Arezzo (991/992-after 1033), Benedictine monk.