3rd movement, Brandenburg concerto, bach

Concertino instruments

Flute, violin, harpsichord

Harpsichord feature

Virtuosic solo with trills, scales, cadenza

Figured bass

Numbers under bass to show chords

Ripieno

String orchestra (1 violin part here)

Baroque flute

Wood, finger holes, 1 metal key

Form of movement

Ternary (ABA), with fugal style

Key/texture of A section

D major, fugal

What happens in B section

Modulates to B minor and A major

End of final A

Returns with D major perfect cadence

Overall texture

Polyphonic/contrapuntal

Opening technique

Imitation (fugal style)

Harpsichord texture

2-part and 4-part counterpoint

Flute & violin in ripieno

Often double in unison

Texture at bar 33

Four-part counterpoint

Melodic style

Mostly stepwise (conjunct)

Bar 137 feature

Rising sequence

Ornament at bar 19

Trill

Ornament at bar 148

Appoggiatura

Main key

D major

B section keys

A major (dominant), B minor (relative minor)

Tonality type

Diatonic

Chords used

Mainly I, IV, V, some II & VI

Harmony type

Functional

Common cadences

Perfect cadences

Suspension example

Bar 130 (9-8)

Metre

2/4 (duple time)

Rhythm style

Triplets, dotted rhythms

Harpsichord rhythms

Frequent semiquaver runs