Debussy
- Created by: lilac123
- Created on: 20-02-21 15:22
What are the features of X?
-ambiguous time signature fluctuating between 6/4 and 3/2
-steady crotchets and open 5ths
Y features
-foghorn motif
-maintains same shape, register and timbre
-doesn't achieve a clear sense of tonality
-concludes each rotation
X rotation 1 b1-4
-sparse texture
-diatonic B minor= top line
-octatonic in bottom line with chromatic auxiliary notes
upper line bars 3-4 spans a tritone
Y material rotation 1 b5-10
-bar 5: double diad
-4/4 feel, metrically dissonant
-motif spans a tritone
-B drone
-G7 chords b6
-tritone clash b7
-foghorn motif
-octatonic harmony b7
X material rotation 2 b11-16
-crotchets in strings divisi rather than woodwind
-fuller texture (increasingly rich- 3 part harmony)
-extended version of b1-10
-bar 13= link bar (chromatic ascending minor 3rds)
-parallel dominant 9ths b14
-overlapping Eb minor and G minor pentatonic b14
-falling 5th idea in bass (pizz-new sonority)
Interpolation rotation 2 (X expanded) bar 17-20
-d minor (pentatonic flavour) b17
-harmony shifts-more chromatic
-eb 9 with dorian elements
-bar 21: acoustic scale
Y rotation 2 bar 21-28
-oscillating crotchets in strings
-G9 chord b 21
-cor anglais motif
-acoustic scale b21 -expanded!!
-bar 23 falling tritone motif
-b25 Y is not only octatonic (whole tone and octatonic)
-b25 foghorn repeated
X rotation 3 b29-32
-parallel chords reduced from dominant 9ths to simple triads (b29-30)
-unexpected/sustained C major chord b 31 (tonic resolution of previous G9 chord)
-melody emphasises intervals of major 2nd and perfect 4th
-hexatonic scale bar 29
Interpolation rotation 3 b33-42
-rising melody
-reeling of 3
-sparse (2 ideas going against each other)
-whole tone scale (ambiguous)
-b33: similar texture to opening bars
-after 4 bars of triadic harmony, b.33-41 introduce tonal ambiguity, the melody is a variation of the opening diatonic figure
-b37: octatonic
-b40: more octaonic to link to y
-b42 link to y
Y rotation 3 b43-b57
-foghorn motif expanded (double statement of melody)
-syncopation in viola and cello
-b43: alternating dissonant chords
-B drone b44
-alternating chords
-bar 47 foghorn motif confirms 6/4 for 1st time
-b50: expansion of 'y' material
-bar 51: B pedal (sense of diatonicism), previous harmony reduced to a diminished triad
-ends ambiguosly with F pedal at bar 56, away from movement's opening tonal focus of B
X rotation 4 b57-63
-x material in oboes
-texture of x thins out even more here
-viola melody (counterpoint), expanded accompaniment
-augmented triads at bar 57
-chromaticism
-reduced texture
-b61 parallel dominant 7ths (bar 14)
-b 61: half diminished 'Tristan Chord'
-whole tone chords b62
-bar 63: parallel dominant 7ths
Interpolation rotation 4 bar 67-79
-D# minor
-pentatonic melody in flute (timbral contrast)
-pentatonic scale in harp
-chord progression I,IV,I(whole tone interjection) b67
-b68 gives impression of dorian mode
-F# major b69
-stepwise modal harmonies in cello
-Eb9 chord b70
-flute melody b75
-b77 entirely octatonic except for G7
-descending pentatonic fragments b78
Structure:
A (b64) A1 (b67), B (b71), A (b75)
Y rotation 4 b80-93
-B minor
-G7 chord
-sustained chord
-C#7 chord b81
-oboe echoes horn b86
-different harmony b88, against static chords like rotation 1
-foghorn motif expands out and fades
Rotation 5 X b94-97
-fragment of previous material
-bar 95, second half of uppermost line from bar 2 followed by a complete version of bars 3 and 4
-pedal note
-triplets
-X in bassoons
-octatonic
-tremolando in cellos (fading out idea)
*functions as a short coda, only uses fragments of previous material
Interpolation 5 b98
-transposed version of melody
-oscillation of B and D b98
-fragmented and shortened
-bar 98 reminder of the syncopation 'B section' pentatonic opening idea
Y rotation 5 b99-102 (end)
-falling tritone in 99
-falling 5th b99
-G7-B chord
-no harmonic resolution
-inconclusive ending
Examples of octatonic scales
-bar 1 (bottom line)
-bar 7-8
-bar 42
-bar 85
Examples of Whole tone scales
-bar 33
-bar 62
Examples of Acoustic scales
bar 21
Examples of Pentatonic scales
-bar 14 (overlapping Eb minor and G minor)
-bar 17
-bar 65
Example of hexatonic scale
-bar 29
Form of Nuages
-a series of 'rotations' of two main melodic ideas X and Y.
-Another, more traditional, way of analysing it is as ABA' (loose ternary form- AꞋ is not a "real" return of A but only of selected elements standing in for A.
-In addition there are interpolated passages between X and Y in every rotation except the first - the B section is best understood as one of these interpolations
-Each of the five "rotations" begins with a variant of the movement's opening motif, and is answered by the cor anglais melody
-the B section, with its different material, tonality and texture/timbre, seems more clearly to fulfil the function of a traditional contrasting middle section.
Orchestration and Timbre
-The strings are often divided and muted; harps are used subtly to add a distinctive colouring
-horns and trumpets, also often muted, are heard in short pianissimo phrases;
-combinations of arco and pizzicato, divisi part writing, "sul tasto" and tremolo,
-The homophonic (homorhythmic) parallel motion in the strings at b. 14 is a characteristic Debussyian texture.
-at bar 23 Debussy also asks for cellos as basses to play over the fingerboard (sur la touche) which makes for an even more light and delicate sound.
-At bar 64 the gentle sustained string chord
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