occursus造句

• An occursus occurs where two voices approach a unison.
• The local style of the cantors were counter movement and holding notes with the syntactic structure underlined by occursus endings.
• One point of importance is his guideline for the "'occursus "'( meaning " meeting " or " concurrence ", running on the same path ), which is a predecessor of the later cadence.
• Guido of Arezzo suggested instead in his " Micrologus " other alternatives : either proceeding by whole tone from a major second to a unison, or an " occursus " having two notes at a major third move by contrary motion toward a unison, each having moved a whole tone.
• An oral tradition of a polyphonic performance can be traced back to the time, when the " Musica enchiriadis " had been written, and Ad閙ar was a contemporary of Guido of Arezzo, who described in his treatise " Micrologus " a similar practice as " diaphonia " ( discant ), which already allowed to sing more than one note against the cantus during cadences ( " occursus " ).
• An initial ornament called " principium ante principium " ( " beginning before the beginning " ) in the Notre Dame school allowed the solistic organum singer to indicate the basis degree of the cantus by an individual intonation in the higher octave, while the finale octave of each section was prepared by an paenultima ornament, which had developed by the " meeting " ( " occursus " ) of chant and organum voice.