AP Music Theory 4.2 Score Analysis
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AP Music Theory 4.2 Score Analysis. What figured bass symbol best describes the above chord?
AP | AP Music Theory |
AP Music Theory | Score Analysis |
Language | English Language |
Transcript
figured bass was musical shorthand used by Baroque era musicians to indicate
what notes in intervals to play above a baseline it's not commonly used in [Man playing a piano]
modern times presumably because no one thought to say if it ain't broke don't
fix it and just to be sure it's fresh in your mind let's take a second to review [Example of chords]
inversions because nothing's worse than rotting inversion they're right up there [Inversions rotting in a fridge]
with spoiled milk and old seafood. So we know that inversions are chords whose
lowest note is not the tonic a first inversion chord has the third as its [An inversion chord]
lowest note a second inversion cord has the fifth as its lowest note and a
third inversion chord which only applies to seventh chords has the seven as its
lowest note well those inversions are signified in figured bass by a pair of
numbers describing the intervals between the bottom note and the two other notes [Number intervals for inversions]
in the chord, for example a 6-4 inversion on G major which starts on the 5th
describes the resulting perfect forth between D and G and the major 6 between [6-4 inversion with inversions and a man appears]
D and B let's take a look at our example chord which is a G dominant 7th chord
inverted to start on the 7th well right away this eliminates answer D because
the 64 inversion refers to a second inversion diatonic triad not a seventh
chord. Six-four over an out good buddy right? Is that how it goes? Well that could [A boy in a lorry using a walky-talkie to communicate to another lorry driver]
explain why our career as a trucker never took off. Alright well now we know
we're looking for the corrected version of a seventh chord to find that let's [Seventh chord hiding in a tree]
count the intervals of our example chord from the bottom up from F to G is a
second and from F to B is a fourth well that means the correct answer is B; Four
Two, this figured bass marking describes the intervals in a third inversion [A four, two interval]
seventh chord Answer A 4, 3 refers to a seventh chord in
second inversion which would start on the fifth while answer C; 6, 5 refers to a
seven chord in first inversion which would start on the third. Hey, figured bass
is actually pretty helpful we kind of think they should bring it Bach to the [Man playing a piano quickly]
future... 6, 4 - Over and out.