Download Harmony Space
All in one zip file
To be fully up to date, check the ‘Incremental Update’ section below to see if there are any incremental updates post-dating your all-in-one.
For the Mac only, the HarmonySpaceMIDIPlayer is also needed.
Mac 64 Bit 55 MB (22 Oct 2024)
Mac Silicon 96 MB (2nd July 2025)
Updated installation guide for Mac Silicon 2025 (pdf)
Windows 51.6 5MB (22 Oct 2024)
Windows 59.3 MB (16 July 2025)
Updated installation guide for Windows 11 2025 (pdf)
Harmony Space on the Mac (but not on the PC) also requires the:
HarmonySpaceMIDIPlayer 168MB
Optionally, to make use of MIDI IN on the Mac, use this helper:
MIDIToHarmonySpace (344 MB)
Optional helper programs
The are not essential, but expand possibilities with rhythm, midi devices, sequencers and various optional external controllers.
Optional helper programs (various sizes)
Incremental Updates
Once the system has been installed, incremental updates can be found here (the same update works for all platforms). Only the most recent update is required - older updates shown for reference only. If there is no update with a date later than the all in one zip file that you are using, no update is required. To install an update, take the files out of the downloaded update folder and drop them into the Harmony Space folder created by your original all in one download, allowing the new files to replace older files of the same name.
Update (41.3MB) (Version of 17 July 2025)
(Improved Chord Explorer & Chord Rack interaction)
Update (41.6MB) Version of 10 July 2025
(Consolidation)
Update (41.2 MB) Version of 2 July 2025
(Adds the Key+ Menu and work saving)
Update (41.3MB) (Version of 30 May 2025)
(Adds beta for reading plaintext chord sequence files)
Update (43.1 MB) (Version of 1 May 2025)
(Adds chord rack and remaps default keyboard shortcuts)
Update (42.6 MB) (Version of 9 Nov 2024)
(This update enhances roman & degree note labels)
Prerequisites
Mac 64 bit: MacOs’s from Catalina 10.15 upwards
Mac Silicon: Any Mac Silicon OS.
Windows: Version 10 upwards
Installation
See here for installation instructions