The library · Classical

Invention No. 1 in C major, BWV 772

Johann Sebastian Bach

A short motif in sixteenth notes, started by one hand, taken up by the other, then turned upside down: the whole invention grows from it, in two equal voices.

C major · 4/4 · 80 beats per minute · 22 bars · 1 min 06 · advanced level

With a free account

The form

The sections of the piece and their chords: the map you learn before playing a single note.

A B Coda

SectionBarsChordsPhrase ending
A 1–8 C · G · Cmaj7 · Em · C · Am · D7 · G · Em · Bm · G · Dsus4 · D7
I · V · Imaj7 · iii · I · vi · V7/V · V · iii · vii · V · IIsus4 · V7/V
—
B 9–16 G7 · Fmaj7/E · Em/G · Gm7/F · Gm7 · E7 · Bm7♭5 · E7sus4/B · Dm7/A · Esus4 · F/A · Em7 · Dm
V7 · IVmaj7 · iii · v7 · v7 · V7/vi · viiø7 · III7sus4 · ii7 · IIIsus4 · IV · iii7 · ii
—
Coda 17–22 G7/B · Dm6 · C · Am7 · B♭/F · A7sus4 · C/E · G7/D · C
V7 · ii6 · I · vi7 · ♭VII · VI7sus4 · I · V7 · I
Perfect cadence

The key

C major
No sharps or flats
Scale
C · D · E · F · G · A · B
Pillar chords
I = C · IV = F · V7 = G7

The tricky passages

  • Bars 5–6: fast runs (10.7 notes per second), a melodic leap (minor seventh), notes outside the key, lots of notes
  • Bar 11: fast runs (5.3 notes per second), a melodic leap (minor sixth), notes outside the key, lots of notes
  • Bar 13: fast runs (5.3 notes per second), a melodic leap (octave), notes outside the key, lots of notes

The plan: 24 days

Half an hour a day. First I help you understand the map of the piece, then we lay down the chord framework, learn each section phrase by phrase, work on the tricky passages, put it together and bring it up to tempo, until you can play it from memory.

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Jeff Covey / Mutopia Project · CC BY-SA 3.0