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Pivot Chords

Pivot Chords are a great way to work on key stuff. I got the idea from Bill Evans. I liked the way he modulated different tunes and tried to make my own up. Here's how he changes key at the end of Here's that Rainy Day.

So Instead of going to G he puts what I call a pivot chord and modulates to Eb. I think of this as the Anti-Mack-The-Knife modulation. It fits with the melody and moves you to a new key seamlessly.

 

A Blues Bass Line

The best thing about a jazz swing bass line is it does 2 things. The first is it is supposed to outline the chord changes very clearly. The second is in it's main function it insists on being played on each beat. A great way to study chords and improvisation is to play bass lines.

This doesn't have to be strict for our purposes. By this I mean you don't have to stick to the low end of your instrument. If you're not a bass player just play quarter notes and outline the chords. Below is an example of a simple blues bass line.