Harmonising a melody with Harmony Space

This 48 second video gives a complete harmonisation of Twinkle Twinkle found by playing around with Harmony Space for a few minutes.

This 30-second video splices together three moments from half an hour of Simon playing around with Harmony Space to harmonise a melody.

Over the thirty minutes, various different harmonisations were tried as follows:

The outputs below were obtained using the “print chords’ button on the Harmony Space app of Mac and PC. (Alternatively, one could output to a midi sequencer or make curated harmony space recordings - which can themselves be easily modified & adapted)

The skeleton melody

(C Major) C solo note G solo note A solo note G solo note F solo note E solo note D solo note C solo note

1 Harmonisation in triads

C major C major F major C major D minor G major C major A minor F major G major C major

2 Harmonisation in diads

(C Major) C major diad E minor diad E minor diad F major diad E minor diad D minor diad E minor diad E minor diad C major diad

C major diad E minor diad F major diad E minor diad D minor diad D minor diad C major diad B minor diad A minor diad A minor diad

D minor diad C major diad B minor diad C major diad

3 Version returning to tonic at the beginning of each phrase

This version of Twinkle Twinkle with Harmony Space keeps things simple. The harmony stays in the same key, and it returns to the C Major chord at the beginning of each phrase.

4 Harmonisation using Stevie wonder chords (using Stevie Wonder chord map)

(C Major) C major 9th C major 9th G dom 13th C major 9th F major 9th D dom 9th G dom 13th E dom#5#9 E dom#5#9 C major 9th