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DFA AP Music Theory Ch. 6

Terms in this set (40)

fragmentation
division of a musical idea into segments
literal repetition
sequences are repeated, indicated by repeat sign, da capo, or dal segno
motivic transformation
rhythmic theme is changed
diminution
division
augmentation
multiplication
retrograde
backward
phrase extension
extended through the elongation of some part of it
truncation
shortening of a musical phrase
octave displacement
in another octave
sequence
immediate restatement of a melodic motive or longer figure in the same instrumental or vocal part at a higher or lower pitch
tonal sequence
contains segments that are a diatonic transposition of the first segment
real sequence
contains continuing segments that are exact transposition of the first segment
modified sequence
some of the segments may be decorated or embellished in a way that does not destroy their original character
antecedent
question
consequent
answer
parallel period
both phrases begin in the same way
contrasting period
the two phrases are not similar in melodic content
three-phrase period
can be organized as A A B, the third phrase must end with a stronger cadence than the first two
double period (four-phrase period)
the fourth phrase has a cadence that is at least as strong as any of the other three
parallel double period
four phrases that form two pairs in which both pairs begin similarly and the final cadence is strongest
contrasting double period
four phrases that form two pairs; the second pair is substantially different from the first and ending with a stronger cadence
repeated phrase/period
not typically regarded as a period because the second phrase isn't dependent on the first
phrase group
same as nonperiod construction
motive
short, recurring figure that appears throughout a composition or section of music
melodic motive
repeated pitch pattern
rhythmic motive
recurring rhythmic pattern
segment
each separate unit of the sequence
false sequence
repeats part of a figure and states the remainder in sequence - mixture of sequence and repetition
phrase
substantial musical thought usually ending with a harmonic, melodic, and rhythmic cadence
phrase member
parts of a phrase that contain slight melodic interruptions
period
second phrase ends with a strong cadence, first phrase ends with a weaker cadence, phrases bear some musical relationship to each other
nonperiod construction
phrases that are unrelated or lacking closure
phrase chain
same as nonperiod construction
dissolved period
same as nonperiod construction
dissimilar phrases
same as nonperiod construction
elongation
elongate note values
beginning extension
phrases extended near the beginning by repeating or sequencing a few opening tones
internal extension
small melodic group may be repeated in the middle of the phrase to extend its length
cadential extension
elaborating or repeating a cadence figure
change of mode
phrases modified by going from major to parallel or vice versa
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