Skip to 0 minutes and 7 secondsWe’re going to have a look at a tune that modulates to another key - in fact, it’s in F and it modulates to A major, and then from A major back to F major.

Skip to 0 minutes and 19 secondsA powerful device for modulation is to use II-V-I. For example,

Skip to 0 minutes and 24 secondslet’s get to C with a II-V-I: so the II is D minor7, the V is G7 and the I is C. Now supposing we wanted to go to F say, then we do a II-V-I for F. So that’s, in terms of roots, G C F.

Skip to 0 minutes and 48 secondsSupposing we want to now go to A major: II-V-I B, E, A are the roots.

Skip to 1 minute and 6 secondsLet’s get to some other point: E flat major II-V-I

Skip to 1 minute and 11 secondsF, B flat E flat : F minor7, B flat7, E flat major7.

Skip to 1 minute and 20 secondsSo II-V-I a powerful device for modulating, for changing key.

Modulation

We look at how the sequence II-V-I is used for modulation.

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This video is from the free online course:

Learn Jazz Piano: III. Solo Piano and Advanced Topics

Goldsmiths, University of London