Create chord progressions using Odesi

You might have heard of Mixed in Key. The Software that revolutionized digital deejaying, pretty much on its own.

Using Mixed in Key you can analyze your digital record collection and find out which keys your songs are in. Which simplifies the record selection process
while mixing out.


Recently, the creators of mixed in key came up with a new piece of software coined Odesi.


This tool relies on the principle of harmonic mixing to create beautiful and harmonically correct chord progressions.

Chord Progressions are the basis of most songs, and Odesi uses an algorithm that has analyzed popular music from the Beatport Top 1000 and the most
frequently played streams on Spotify.

They assembled it into a tool that can help you write chord progressions quickly and easily.

The idea is that you can utilize Odesi as a sketchpad for writing your harmonies and bass-lines before you even open up your favorite DAW.

It allows you to map out an idea for a song rapidly, saving your sketch as MIDI files and having a solid foundation to work on when you hit the studio.

Let’s have a look at it’s interface and create a framework for a song using Mixed in Key’s Odesi.


The interface features a sequencer, that feels familiar other music making programs.

On the right side you find four musical elements that you can add to your sketch.

Chords, Melody, Bass-line and Drums. It is also possible to import MIDI files from other sources.

Musical Elements

Odesi is capable of generating Chords, Bass-lines and Drums but you still have to write your own Melodies.

Let start by writing a chord progression. Hit the add chord progression button to set it off!

Add Chord Progression

Odesi generates a progression, that we can alter.

Progression A

The current progression is I – I – II – iv

It is okay, but I love experimenting with different progressions to see what I can come up with.
Using and trusting your ears is essential

Chord Parameters

I adjusted the progression to I – I – vi – V by changing the chords parameter.

Next I adjusted the rhythmic pattern, to Aerodynamic. Which adds rhythmic variation to my chord progression.

I also changed the note length to long quarter notes.

Adjustments II

The pattern now looks like this, and is sounding great!

pattern A

I’ve selected the four bar pattern and hit CMD-D to duplicate it.

Let’s spice things up and add a bass-line that follows our freshly created chord progression.

Add Bassline

And let’s twiddle with the bass-line settings, so it aligns perfectly with our previously written chord progression.

Bassline Details

Our current song sketch looks like this.

Pattern in CMaj

We are currently working in the key of C Major
This is displayed on the top of the screen.


However I wish to change the mood, and decided to go with D Minor.

I simply select the key D Minor in the drop-down, and both the notes of the progression and the bass-line are transposed to the key of D Minor.

DMin Setting

The song sketch now looks something like this

Pattern in DMin

Let’s add some drums!

Add Drums

And let’s edit it by choosing a house groove and the classic 808 kit.

Edit Drums

This is what the drum pattern looks like

Drum Pattern

Hooray! You’ve just written a chord progression with complementary bass-line and a rhythm track.

Time to export all tracks to MIDI and audio files, for future use in your favorite DAW.

To export the song sections to individual MIDI files we need to

– Select the notes we want to export

Select Notes

– Hit the export button in the upper right cornerExport

– Select export to MIDI

Export As

– And finally Export selected notes

Selected notes

All done.

Congratulations, You’ve just created a framework for your song in under 15 minutes.

The bounced audio and midi of the sketch I made with Odesi can be found via this link!jgV1QbRb!e5Pt2h6EaFhHegfBXLTwXg

Odesi by Mixed in key is available for 49 USD via
Happy Songwriting!


Higher Intuition – Bassline MIDI