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Tonalis is software developed by a composer to make his job easier. It performs four part harmonisation in the common practise period style.

Start by entering a melody using the piano keyboard. Press harmonise and the app will automatically generate alto, tenor, and bass parts. Progressions are optimised to minimise the movement of inner parts and so the bass line is in contrary motion to the melody.

Tonalis was inspired by "Theory of Harmony" by Arnold Schoenberg. It allows almost anyone to instantly produce original compositions.

Choose from a selection of instruments and playback your compositions. Export the more...

What's New

Version 1.1.4:
  • Minor keys fully supported including raised 6th and 7th scale degrees.
  • Optimised harmony algorithms dramatically.
  • Numerous bug fixes in harmonisation engine.


  • OS X 10.6 or later
  • 64-bit processor

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Current Version (1.x)


Downloads 393
Version Downloads 393
License Commercial
Date 16 Nov 2012
Platform Intel 64 / OS X
Price $1.99
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