structure Flashcards
term ‘sonata’
refers back to Baroque sonatas such as those composed by Scarlatti, consisting of a single movement in binary form
most but not all
the sonatas are in binary form, including Sonatas I-III
micro-macrocosmic
rhythmic structure depends on the relationships between numbers which then govern every aspect of the duration of the music
the structure
produces perfect symmetry, similar to fractals in mathematics, nature and art
Sonata III
the basic unit is 8 1/2 and this is divided into 1,1,3 1/4, 3 1/4
these figures then govern the length of the movement, its sections and phrases
cage uses
he used fractions and irregular proportions for the first time, giving rise to some complex durations
other aspects of the structure
are hard to define as there is little thematic or motivic repetition
binary structure of Sonata I
is composed of 2 sections of 56 and 42 beats
some recapitulation
sonata I, bar 18