Thursday, April 07, 2005

Contrapunctus 4, Allegro Moderato

Bach
Canadian Brass

The subject is characterized by the solfege sol-do-me-fa-sol-fa-me-re, and do is an elision that signals the end of the subject. The rhthym is five quarters, two eighths, and the re is a quarter tied to a line of sixteenths starting on do. I counted a total of thirteen subjects. The first is in the trumpet, then the french horn, euphonium, tuba, and trumpet. After the first subject, the trumpet enters a developmental function on syncopated rhythms that keep the subject moving. The euphonium's entrance adds mainly to the density. Some of the common developmental rhythms are two sixteenths and an eighth followed by a longer note, one of the things that shapes the phrases to give it a simple duple meter. Several of the subjects are signaled by ascending or descending lines in the developmental parts. The second section is signaled through chromatic development in the subject, it modualtes to the major fourth. It ends on a PAC after a terminative function that modulates back to its original minor key.

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