DII. BACH, J.S.: Concerto for Harpsichord in C Major, BWV 977

DII. BACH, J.S. (1685-1750)

Concerto for Harpsichord in C Major, BWV 977 (1713-14)
1. [Allegro]
2. Adagio
3. Giga
Pieter Dirksen, harpsichord
(6:58)

BWV 972-980 are Vivaldi transcriptions and BWV 974-987 are concerti after various composers ... this one is cited as unknown, Vivaldi with a ?, and -- in this performance -- after Benedetto Marcello.

The reliable Bach-Cantata website lists it as after unknown German composer.

1. [Allegro]

The first seven bars are unison; as are the seven bars of the move to the dominant. Bach works his way to A Minor (relative minor) before returning to the tonic.

2. Adagio

A Minor with a beautiful movement from the submediant to dominant at the end:

3. Giga

A spirited 12/8 dance, with a rich harmonic movement using diminished seventh chords: (vii°/V; vii°/VI; V/V) -- moving back to the tonic in the 1st ending and to the dominant in the 2nd ...