Hauptquelle · Lex. musicum Latinum
principalis quartus
principalis quartus erste, zweite, dritte, vierte authentische Kirchentonart — first, second, third, fourth authentic modes [s.XI] LmL Ton. Aug. p. 84: pro lege primi subiugalis ... pro iure quarti principalis . [s.XIII-XIV] LmL Engelb. Adm. 4, 8, 6: autentus prothus, i. e. principalis primus ... autentus deuterus, i. e. principalis secundus ... autentus tritus, i. e. principalis tercius ... autentus tetrardus, i. e. principalis quartus . al. [s.XV] LmL Gob. Pers. p. 187a. v. LmL cantus principalis , LmL clavis principalis , LmL melodia principalis , LmL sedes principalis , tetrachordum princi…