Bach Orchestral Suite No.3 in D Major

General Notes

1685-1750
Small group of strings and basso continuo - identifiable as Baroque
Harpsichord would be following figured bass (numbers of the chords which are then improvised around)
2 Oboes (usually doublling violins, except for in the episodes of the fuge)
3 Trumpets (in D)
Timpani (tonic and dominant - D and A)
2 Violins
1 Viola
1 Basso Continuo

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Typically French - in the style of Lully and Ramaeu
- Slow Intro - Dotte Rhythms
- Fast fugal section
Trumpet and drums prominent in fanfare like opening
Tonic key of D major established by tonic pedal in the first four bards, before moving to G major
Trumpet and drums drop out when the music modulates
Fugue is contrapuntal, invertible counterpoint in middle and final entries
Fugue Structure: Exposition (Bars 1-42[1]), Episode 1 (D major, Bars Bars 42[1]-58[1] ), Middle Entries (F# minor, Bars 58[1]-71[1]) ), Episode 2 (B minor, Bars 71[1]-89[1]), Final Entries (Bars 89[1]-107[1]) - a repeat of the exposition's order of entries, but in a full texture from the start.
Episodes are homophonic. Everything plays a chordal pattern whilst the 1st violin plays variation on 3rd countersubject
Answer of the fugue is REAL not tonal. Because the fugue answer contains C naturals rather than C#.

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Full orchestration
Rounded Binary
3 sections with 4 bar phrases
Openings of all the sections are exactly the same - dotted rhythms
1st and 3rd endings are different: 3rd has an extended 7 bar phrase (rather than 6) at the end to modulate through circle of 5ths back to the tonic key
Second section starts with a big A major chord, followed by the principal theme which rises instead of falling at the end

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