PO-20 Chord Helper

Use this tool to explore a custom chord network from the PO-20, with visual guides.

PO-20 not required!

Quickstart

1. Run pochords.py
2. Choose a key in the Key Groupbox
3. Click a visible chord from the Chord Guide area you want to inspect in the Visualization area.
4. Repeat this process with different progressions, and play your Piano/Keyboard or your PO-20 on the side to learn how they move and sound!

View Options

• Use the View -> Toggle Background to view as if the Pocket Operator is behind
• Use the View -> Show All option to view all chords at once.

Live demo coming soon (On a touchscreen with a rig)

You get an animated gif for now. Enjoy!

I don't know why Teenage Engineering chose these chord combinations, but I imagine it would have something to do with a high qty of variety and modulation capability. So for this reason alone, I think this chord network is worth exploring more! Especially if you're learning to solo and want a guide.

References / Sources for some of the content:

I used data from these posts on Reddit.

• UPDATED: PO-20 chords & keys.
• Here's a visual chord guide for PO-20 arcade. Useful if you're not big on theory!

##TODO

• Midi out integration

• Eventually create a cheap chord generator that can run on a Pi and use MIDI.

Contributions

Please contribute to me if this helped you!