Music a leve; Flashcards
To help others to understand the musical elements.
Movement 1 - Instrumental forces
Four part chorus SATB
3 Oboes; a taille, violins 1 and 2, viola, cello and violone.
Continuo instruments; organ and cembalo.
Violins and Viola - double the SAT lines.
Cello - shadows the bass - elaborating in heterophony.
Movement 2 - Instrumental forces
Vocal duet for soprano and bass
soprano - doubled by oboe - sometimes in heterophony.
violins 1 + 2 and violas - provide obbligato line in unison - supported by Continuo.
Movement 8 - Instrumental forces
Chorale requires; SATB - each part doubled by instruments.
Soprano and Alto doubled by Oboe and Violins.
tenor - Taille and viola
Bass - continuo instruments.
M1 - R,M,T
Cut common time
type of time - brisk pace.
M2 - R,M,T
Moto perpetuo semiquavers
With walking bass quavers and florid shorter values in vocal parts.
Oboe - necessitates a relatively fast controlled tempo.
quadruple time
M8 - R,M,T
More moderate tempo
relies heavily on flowing quavers in the lower part.
Pause indicates - end of phrases.
Melody
Luther’s chorale provides the melodic basis for all 3 movements.
M1 - Melody
Each phrase - in turn
Very loose variation of the chorale melody in vocal parts .
Direct statement of theme - reserved for oboes in canon with violone.
Sequence - cello - bar 1
Chromaticism - word painting to underline guile of devil - bar 97-99.
Mixture of syllabic word setting.
Extended melisma’s in choral writing.
M2 - Melody
Heavy ornamentation
extended melismas and bass solo
Angular instrumental writing for the bass singer - bars 13-18
M8 - Melody
Powerful repeated notes
Mainly conjunct movement with occasional leaps.
forceful descending scales at end of first section and at final phrase.
Single note outside scale of D major.
Harmony
Clearly defined cadences. Triads and 7ths in various positions Pedal points - M1 - bars 27-30 Suspensions: 4-3 suspension in M8 - bar 2. 7-6 suspension in M8 - bar 8 9-8 suspension in M8 - bar 10 Dissonances arising from freely moving lines and passing notes. Diminished 7ths - M1 - Bar 71.
M1 - Tonality
Chorale dominates throughout - D major variety of keys are used throughout: E minor - bars 63-64 B minor - bars 65-66 F# ,minor - bars 67-68 A major - bar 90
M2 - Tonality
Also in D major
Modulation of keys:
A major - bar 27
B minor - bar 46
M8 - Tonality
Provides insights into Bach’s ingenious handling of a theme that could have been largely harmonised in D.
Perfect cadences in A major - 5-9
Imperfect cadence in E minor - bar 10.
M1 - Structure
Takes each phrase in turn.
Presented in a fugal working out in the vocal parts before rounding it off with a canonic version - Oboes and Violone.