1. He explained this system in his work, Ars Cantus Mensurabilis, (which means “The Art of Measurable Music”) circa 1280.

2. In the delineation of D-protus, the Ambituses are assigned to the customary voices: plagal for cantus and authentic for tenor and contratenor

3. In medieval music, Canto fermo (1789, from Italian, from Latin cantus firmus "fixed song") was the ancient traditional vocal music of the

4. Crowing: Cantus galli, laryngismus stridulus Pediatrics Noisy respiratory 'cawing', stridor and severe respiratory distress Crowing, causes of Congenital laryngeal stridor Crowing may be the first sign of congenital epiglottic and superglottic deformity or flabbiness–laryngomalacia and tracheomalacia with collapse and partial inspiratory

5. 1670s, "a song," especially one slow and monotonous, from Chant (v.), or else from French Chant (12c.), from Latin cantus "song, a singing; bird-song," from past participle stem of canere.Meaning "a Gregorian melody," usually of medieval origin, is from 1789

6. Canto (n.) 1580s, "a section of a long poem," used in Italian by Dante, in English first by Spenser, from Italian Canto "song," from Latin cantus "song, a singing; bird-song," from past participle stem of canere "to sing" (from PIE root *kan-"to sing").