... Seen His Star 5. church modes a. Scales that contain seven tones with an eight tone duplicating the first an octave higher, but with patterns of whole and half steps idifferent major and minor scales; used in medieval, Renaissance, and twentieth-century music and in folk music. b. The sea chantey What Shall We Do with the Drunken Sailor? Is in Dorian mode, and Johnny Comes Marching Home is an Aelian mode, both influenced by church modes. Alleluia: Vidimus Stellam (We Have Seen His Star)is a church mode that is a gregorian chant. Then there is O succecores by Hildegard of Bingen. 6. cantus firmus a. A preexisting melody used as the basis of a polyphonic composition, especially in 14th- and 15th-century polyphony. Plainsong is the largest division of Cantus firmus forming the basis of most of the motets in the 13th and 14th centuries and many organ hymms of the 16th. b. Agnus Dei section ...

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