J. S. Bach’s Secrets Revealed: Inventio IX in F minor

Composer Samuel Andreyev presents an analysis of J. S. Bach’s Inventio n° IX in F minor.

00:00 Introduction
00:53 2-part counterpoint: definition
01:29 Invertible counterpoint: definition
03:22 Performance of the piece
05:18 Rhythmic complementarity
06:52 Analysis of right hand motif
09:20 Analysis of left hand motif
10:22 Contrary motion: definition
10:50 Expressive use of augmented 2nd
11:13 Analysis of bars 5-8
13:27 Analysis of bars 9-16
14:49 Spacing of voices
15:58 How Bach modulates
16:28 Analysis of bars 17-28
18:25 Harmonic analysis of bars 25-28
18:50 Binary form: definition
20:00 Analysis of bars 29-34
21:09 Conclusion

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Post-production: Arkadiusz Buchala