Bach - Chorus Flashcards
Key
G Minor
Texture
Polyphonic
Time Signature
3/4
Form
Ritornello Form - recurring orchestral theme/section, heard 7 times (different each time)
Chaconne - Ground Bass passing into upper lines
Instruments
Chamber Orchestra
Themes
1A Ritornello (Grief Motif)- Syncopated rhythm, woodwind, strings
1B Ostinato theme (Ground Bass) – descending chromatic line, ends perfect cadence
1C (Joy Motif) - 3 note idea, Continuo, Canon
Order of Voices
Alto, Tenor, Soprano, Bass
Features
Contrapuntal and Imitative Textures, Chromatic movement in Ostinato
- ATB parts based on ostinato in imitation
- Joy Motif
- Terraced dynamics
- Lots of perfect cadences
- Lots of sequences
- Trills
- Mainly syllabic
- Tierce di Picardy
What happens?
- Starts homophonic
- Descending chromatic bassline
- Staccato strings, free quaver movement
- Voices enter ATSB in imitation singing Ostinato theme
- Soprano sings a 3/4 version of the chorale melody, repeated notes
- Bass voice doubles continuo bar 61
- Voices enter imitatively from bar 90 with anew idea based on a rising 4th
- Bar 130 Syncopated rhythm on violins, answered by oboe
- Voices enter TABS
- Ends with a final statement of the chorale theme and a perfect cadence in G Major (Tierce di Picardy)